1991658312

素因数分解:

$2^3\times 3^2\times 7^4\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:362

約数の個数: 240

約数和(自身を含む): 6469133580

約数和(自身を除く): 4477475268

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 41, 42, 49, 56, 63, 72, 82, 84, 98, 123, 126, 147, 164, 168, 196, 246, 252, 281, 287, 294, 328, 343, 369, 392, 441, 492, 504, 562, 574, 588, 686, 738, 843, 861, 882, 984, 1029, 1124, 1148, 1176, 1372, 1476, 1686, 1722, 1764, 1967, 2009, 2058, 2248, 2296, 2401, 2529, 2583, 2744, 2952, 3087, 3372, 3444, 3528, 3934, 4018, 4116, 4802, 5058, 5166, 5901, 6027, 6174, 6744, 6888, 7203, 7868, 8036, 8232, 9604, 10116, 10332, 11521, 11802, 12054, 12348, 13769, 14063, 14406, 15736, 16072, 17703, 18081, 19208, 20232, 20664, 21609, 23042, 23604, 24108, 24696, 27538, 28126, 28812, 34563, 35406, 36162, 41307, 42189, 43218, 46084, 47208, 48216, 55076, 56252, 57624, 69126, 70812, 72324, 80647, 82614, 84378, 86436, 92168, 96383, 98441, 103689, 110152, 112504, 123921, 126567, 138252, 141624, 144648, 161294, 165228, 168756, 172872, 192766, 196882, 207378, 241941, 247842, 253134, 276504, 289149, 295323, 322588, 330456, 337512, 385532, 393764, 414756, 483882, 495684, 506268, 564529, 578298, 590646, 645176, 674681, 725823, 771064, 787528, 829512, 867447, 885969, 967764, 991368, 1012536, 1129058, 1156596, 1181292, 1349362, 1451646, 1693587, 1734894, 1771938, 1935528, 2024043, 2258116, 2313192, 2362584, 2698724, 2903292, 3387174, 3469788, 3543876, 3951703, 4048086, 4516232, 5080761, 5397448, 5806584, 6072129, 6774348, 6939576, 7087752, 7903406, 8096172, 10161522, 11855109, 12144258, 13548696, 15806812, 16192344, 20323044, 23710218, 24288516, 27661921, 31613624, 35565327, 40646088, 47420436, 48577032, 55323842, 71130654, 82985763, 94840872, 110647684, 142261308, 165971526, 221295368, 248957289, 284522616, 331943052, 497914578, 663886104, 995829156, 1991658312]

約数ペア:

[(1, 1991658312), (2, 995829156), (3, 663886104), (4, 497914578), (6, 331943052), (7, 284522616), (8, 248957289), (9, 221295368), (12, 165971526), (14, 142261308), (18, 110647684), (21, 94840872), (24, 82985763), (28, 71130654), (36, 55323842), (41, 48577032), (42, 47420436), (49, 40646088), (56, 35565327), (63, 31613624), (72, 27661921), (82, 24288516), (84, 23710218), (98, 20323044), (123, 16192344), (126, 15806812), (147, 13548696), (164, 12144258), (168, 11855109), (196, 10161522), (246, 8096172), (252, 7903406), (281, 7087752), (287, 6939576), (294, 6774348), (328, 6072129), (343, 5806584), (369, 5397448), (392, 5080761), (441, 4516232), (492, 4048086), (504, 3951703), (562, 3543876), (574, 3469788), (588, 3387174), (686, 2903292), (738, 2698724), (843, 2362584), (861, 2313192), (882, 2258116), (984, 2024043), (1029, 1935528), (1124, 1771938), (1148, 1734894), (1176, 1693587), (1372, 1451646), (1476, 1349362), (1686, 1181292), (1722, 1156596), (1764, 1129058), (1967, 1012536), (2009, 991368), (2058, 967764), (2248, 885969), (2296, 867447), (2401, 829512), (2529, 787528), (2583, 771064), (2744, 725823), (2952, 674681), (3087, 645176), (3372, 590646), (3444, 578298), (3528, 564529), (3934, 506268), (4018, 495684), (4116, 483882), (4802, 414756), (5058, 393764), (5166, 385532), (5901, 337512), (6027, 330456), (6174, 322588), (6744, 295323), (6888, 289149), (7203, 276504), (7868, 253134), (8036, 247842), (8232, 241941), (9604, 207378), (10116, 196882), (10332, 192766), (11521, 172872), (11802, 168756), (12054, 165228), (12348, 161294), (13769, 144648), (14063, 141624), (14406, 138252), (15736, 126567), (16072, 123921), (17703, 112504), (18081, 110152), (19208, 103689), (20232, 98441), (20664, 96383), (21609, 92168), (23042, 86436), (23604, 84378), (24108, 82614), (24696, 80647), (27538, 72324), (28126, 70812), (28812, 69126), (34563, 57624), (35406, 56252), (36162, 55076), (41307, 48216), (42189, 47208), (43218, 46084)]