71285864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22111}}^1$

素因数の和:22161

約数の個数: 32

約数和(自身を含む): 148592640

約数和(自身を除く): 77306776

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 22111, 44222, 88444, 176888, 287443, 574886, 685441, 1149772, 1370882, 2299544, 2741764, 5483528, 8910733, 17821466, 35642932, 71285864]

約数ペア:

[(1, 71285864), (2, 35642932), (4, 17821466), (8, 8910733), (13, 5483528), (26, 2741764), (31, 2299544), (52, 1370882), (62, 1149772), (104, 685441), (124, 574886), (248, 287443), (403, 176888), (806, 88444), (1612, 44222), (3224, 22111)]