87773774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{28703}}^1$

素因数の和:28855

約数の個数: 16

約数和(自身を含む): 144668160

約数和(自身を除く): 56894386

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 28703, 57406, 315733, 631466, 3989717, 7979434, 43886887, 87773774]

約数ペア:

[(1, 87773774), (2, 43886887), (11, 7979434), (22, 3989717), (139, 631466), (278, 315733), (1529, 57406), (3058, 28703)]