87538672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{420859}}^1$

素因数の和:420880

約数の個数: 20

約数和(自身を含む): 182653240

約数和(自身を除く): 95114568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 420859, 841718, 1683436, 3366872, 5471167, 6733744, 10942334, 21884668, 43769336, 87538672]

約数ペア:

[(1, 87538672), (2, 43769336), (4, 21884668), (8, 10942334), (13, 6733744), (16, 5471167), (26, 3366872), (52, 1683436), (104, 841718), (208, 420859)]