3987902

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:655

約数の個数: 16

約数和(自身を含む): 6234624

約数和(自身を除く): 2246722

約数列:

[1, 2, 31, 62, 131, 262, 491, 982, 4061, 8122, 15221, 30442, 64321, 128642, 1993951, 3987902]

約数ペア:

[(1, 3987902), (2, 1993951), (31, 128642), (62, 64321), (131, 30442), (262, 15221), (491, 8122), (982, 4061)]