81791556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 260112384

約数和(自身を除く): 178320828

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 21, 22, 28, 33, 34, 41, 42, 44, 51, 66, 68, 77, 82, 84, 102, 119, 123, 127, 132, 154, 164, 187, 204, 231, 238, 246, 254, 287, 308, 357, 374, 381, 451, 462, 476, 492, 508, 561, 574, 697, 714, 748, 762, 861, 889, 902, 924, 1122, 1148, 1309, 1353, 1394, 1397, 1428, 1524, 1722, 1778, 1804, 2091, 2159, 2244, 2618, 2667, 2706, 2788, 2794, 3157, 3444, 3556, 3927, 4182, 4191, 4318, 4879, 5207, 5236, 5334, 5412, 5588, 6314, 6477, 7667, 7854, 8364, 8382, 8636, 9471, 9758, 9779, 10414, 10668, 12628, 12954, 14637, 15113, 15334, 15621, 15708, 16764, 18942, 19516, 19558, 20828, 23001, 23749, 25908, 29274, 29337, 30226, 30668, 31242, 36449, 37884, 39116, 45339, 46002, 47498, 53669, 57277, 58548, 58674, 60452, 62484, 71247, 72898, 88519, 90678, 92004, 94996, 107338, 109347, 114554, 117348, 142494, 145796, 161007, 166243, 171831, 177038, 181356, 214676, 218694, 229108, 265557, 284988, 322014, 332486, 343662, 354076, 400939, 437388, 498729, 531114, 619633, 644028, 664972, 687324, 801878, 973709, 997458, 1062228, 1202817, 1239266, 1603756, 1858899, 1947418, 1994916, 2405634, 2478532, 2921127, 3717798, 3894836, 4811268, 5842254, 6815963, 7435596, 11684508, 13631926, 20447889, 27263852, 40895778, 81791556]

約数ペア:

[(1, 81791556), (2, 40895778), (3, 27263852), (4, 20447889), (6, 13631926), (7, 11684508), (11, 7435596), (12, 6815963), (14, 5842254), (17, 4811268), (21, 3894836), (22, 3717798), (28, 2921127), (33, 2478532), (34, 2405634), (41, 1994916), (42, 1947418), (44, 1858899), (51, 1603756), (66, 1239266), (68, 1202817), (77, 1062228), (82, 997458), (84, 973709), (102, 801878), (119, 687324), (123, 664972), (127, 644028), (132, 619633), (154, 531114), (164, 498729), (187, 437388), (204, 400939), (231, 354076), (238, 343662), (246, 332486), (254, 322014), (287, 284988), (308, 265557), (357, 229108), (374, 218694), (381, 214676), (451, 181356), (462, 177038), (476, 171831), (492, 166243), (508, 161007), (561, 145796), (574, 142494), (697, 117348), (714, 114554), (748, 109347), (762, 107338), (861, 94996), (889, 92004), (902, 90678), (924, 88519), (1122, 72898), (1148, 71247), (1309, 62484), (1353, 60452), (1394, 58674), (1397, 58548), (1428, 57277), (1524, 53669), (1722, 47498), (1778, 46002), (1804, 45339), (2091, 39116), (2159, 37884), (2244, 36449), (2618, 31242), (2667, 30668), (2706, 30226), (2788, 29337), (2794, 29274), (3157, 25908), (3444, 23749), (3556, 23001), (3927, 20828), (4182, 19558), (4191, 19516), (4318, 18942), (4879, 16764), (5207, 15708), (5236, 15621), (5334, 15334), (5412, 15113), (5588, 14637), (6314, 12954), (6477, 12628), (7667, 10668), (7854, 10414), (8364, 9779), (8382, 9758), (8636, 9471)]