31458128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{151241}}^1$

素因数の和:151262

約数の個数: 20

約数和(自身を含む): 65639028

約数和(自身を除く): 34180900

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 151241, 302482, 604964, 1209928, 1966133, 2419856, 3932266, 7864532, 15729064, 31458128]

約数ペア:

[(1, 31458128), (2, 15729064), (4, 7864532), (8, 3932266), (13, 2419856), (16, 1966133), (26, 1209928), (52, 604964), (104, 302482), (208, 151241)]