80556918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 180590592

約数和(自身を除く): 100033674

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 103, 111, 206, 222, 271, 309, 481, 542, 618, 813, 962, 1339, 1443, 1626, 2678, 2886, 3523, 3811, 4017, 7046, 7622, 8034, 10027, 10569, 11433, 20054, 21138, 22866, 27913, 30081, 49543, 55826, 60162, 83739, 99086, 130351, 148629, 167478, 260702, 297258, 362869, 391053, 725738, 782106, 1032781, 1088607, 2065562, 2177214, 3098343, 6196686, 13426153, 26852306, 40278459, 80556918]

約数ペア:

[(1, 80556918), (2, 40278459), (3, 26852306), (6, 13426153), (13, 6196686), (26, 3098343), (37, 2177214), (39, 2065562), (74, 1088607), (78, 1032781), (103, 782106), (111, 725738), (206, 391053), (222, 362869), (271, 297258), (309, 260702), (481, 167478), (542, 148629), (618, 130351), (813, 99086), (962, 83739), (1339, 60162), (1443, 55826), (1626, 49543), (2678, 30081), (2886, 27913), (3523, 22866), (3811, 21138), (4017, 20054), (7046, 11433), (7622, 10569), (8034, 10027)]