638564748

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{877}}^1\times {\mathrm{1291}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 1524601344

約数和(自身を除く): 886036596

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 282, 564, 877, 1291, 1754, 2582, 2631, 3508, 3873, 5164, 5262, 7746, 10524, 15492, 41219, 60677, 82438, 121354, 123657, 164876, 182031, 242708, 247314, 364062, 494628, 728124, 1132207, 2264414, 3396621, 4528828, 6793242, 13586484, 53213729, 106427458, 159641187, 212854916, 319282374, 638564748]

約数ペア:

[(1, 638564748), (2, 319282374), (3, 212854916), (4, 159641187), (6, 106427458), (12, 53213729), (47, 13586484), (94, 6793242), (141, 4528828), (188, 3396621), (282, 2264414), (564, 1132207), (877, 728124), (1291, 494628), (1754, 364062), (2582, 247314), (2631, 242708), (3508, 182031), (3873, 164876), (5164, 123657), (5262, 121354), (7746, 82438), (10524, 60677), (15492, 41219)]