28242522

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 80668224

約数和(自身を除く): 52425702

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 41, 42, 49, 63, 66, 71, 77, 82, 98, 99, 123, 126, 142, 147, 154, 198, 213, 231, 246, 287, 294, 369, 426, 441, 451, 462, 497, 539, 574, 639, 693, 738, 781, 861, 882, 902, 994, 1078, 1278, 1353, 1386, 1491, 1562, 1617, 1722, 2009, 2343, 2583, 2706, 2911, 2982, 3157, 3234, 3479, 4018, 4059, 4473, 4686, 4851, 5166, 5467, 5822, 6027, 6314, 6958, 7029, 8118, 8733, 8946, 9471, 9702, 10437, 10934, 12054, 14058, 16401, 17466, 18081, 18942, 20377, 20874, 22099, 26199, 28413, 31311, 32021, 32802, 36162, 38269, 40754, 44198, 49203, 52398, 56826, 61131, 62622, 64042, 66297, 76538, 96063, 98406, 114807, 122262, 132594, 142639, 183393, 192126, 198891, 224147, 229614, 285278, 288189, 344421, 366786, 397782, 427917, 448294, 576378, 672441, 688842, 855834, 1283751, 1344882, 1569029, 2017323, 2567502, 3138058, 4034646, 4707087, 9414174, 14121261, 28242522]

約数ペア:

[(1, 28242522), (2, 14121261), (3, 9414174), (6, 4707087), (7, 4034646), (9, 3138058), (11, 2567502), (14, 2017323), (18, 1569029), (21, 1344882), (22, 1283751), (33, 855834), (41, 688842), (42, 672441), (49, 576378), (63, 448294), (66, 427917), (71, 397782), (77, 366786), (82, 344421), (98, 288189), (99, 285278), (123, 229614), (126, 224147), (142, 198891), (147, 192126), (154, 183393), (198, 142639), (213, 132594), (231, 122262), (246, 114807), (287, 98406), (294, 96063), (369, 76538), (426, 66297), (441, 64042), (451, 62622), (462, 61131), (497, 56826), (539, 52398), (574, 49203), (639, 44198), (693, 40754), (738, 38269), (781, 36162), (861, 32802), (882, 32021), (902, 31311), (994, 28413), (1078, 26199), (1278, 22099), (1353, 20874), (1386, 20377), (1491, 18942), (1562, 18081), (1617, 17466), (1722, 16401), (2009, 14058), (2343, 12054), (2583, 10934), (2706, 10437), (2911, 9702), (2982, 9471), (3157, 8946), (3234, 8733), (3479, 8118), (4018, 7029), (4059, 6958), (4473, 6314), (4686, 6027), (4851, 5822), (5166, 5467)]