257396514

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{809423}}^1$

素因数の和:809481

約数の個数: 16

約数和(自身を含む): 524506752

約数和(自身を除く): 267110238

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 809423, 1618846, 2428269, 4856538, 42899419, 85798838, 128698257, 257396514]

約数ペア:

[(1, 257396514), (2, 128698257), (3, 85798838), (6, 42899419), (53, 4856538), (106, 2428269), (159, 1618846), (318, 809423)]