128961572

素因数分解:

$2^2\times {\mathrm{257}}^1\times {\mathrm{331}}^1\times {\mathrm{379}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 227844960

約数和(自身を除く): 98883388

約数列:

[1, 2, 4, 257, 331, 379, 514, 662, 758, 1028, 1324, 1516, 85067, 97403, 125449, 170134, 194806, 250898, 340268, 389612, 501796, 32240393, 64480786, 128961572]

約数ペア:

[(1, 128961572), (2, 64480786), (4, 32240393), (257, 501796), (331, 389612), (379, 340268), (514, 250898), (662, 194806), (758, 170134), (1028, 125449), (1324, 97403), (1516, 85067)]