81820284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2417}}^1$

素因数の和:2475

約数の個数: 96

約数和(自身を含む): 242651136

約数和(自身を除く): 160830852

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 52, 62, 78, 84, 91, 93, 124, 156, 182, 186, 217, 273, 364, 372, 403, 434, 546, 651, 806, 868, 1092, 1209, 1302, 1612, 2417, 2418, 2604, 2821, 4834, 4836, 5642, 7251, 8463, 9668, 11284, 14502, 16919, 16926, 29004, 31421, 33838, 33852, 50757, 62842, 67676, 74927, 94263, 101514, 125684, 149854, 188526, 203028, 219947, 224781, 299708, 377052, 439894, 449562, 524489, 659841, 879788, 899124, 974051, 1048978, 1319682, 1573467, 1948102, 2097956, 2639364, 2922153, 3146934, 3896204, 5844306, 6293868, 6818357, 11688612, 13636714, 20455071, 27273428, 40910142, 81820284]

約数ペア:

[(1, 81820284), (2, 40910142), (3, 27273428), (4, 20455071), (6, 13636714), (7, 11688612), (12, 6818357), (13, 6293868), (14, 5844306), (21, 3896204), (26, 3146934), (28, 2922153), (31, 2639364), (39, 2097956), (42, 1948102), (52, 1573467), (62, 1319682), (78, 1048978), (84, 974051), (91, 899124), (93, 879788), (124, 659841), (156, 524489), (182, 449562), (186, 439894), (217, 377052), (273, 299708), (364, 224781), (372, 219947), (403, 203028), (434, 188526), (546, 149854), (651, 125684), (806, 101514), (868, 94263), (1092, 74927), (1209, 67676), (1302, 62842), (1612, 50757), (2417, 33852), (2418, 33838), (2604, 31421), (2821, 29004), (4834, 16926), (4836, 16919), (5642, 14502), (7251, 11284), (8463, 9668)]