81521688

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{72271}}^1$

素因数の和:72327

約数の個数: 32

約数和(自身を含む): 208143360

約数和(自身を除く): 126621672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 72271, 144542, 216813, 289084, 433626, 578168, 867252, 1734504, 3396737, 6793474, 10190211, 13586948, 20380422, 27173896, 40760844, 81521688]

約数ペア:

[(1, 81521688), (2, 40760844), (3, 27173896), (4, 20380422), (6, 13586948), (8, 10190211), (12, 6793474), (24, 3396737), (47, 1734504), (94, 867252), (141, 578168), (188, 433626), (282, 289084), (376, 216813), (564, 144542), (1128, 72271)]