557507209

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{577}}^1\times {\mathrm{1423}}^1$

素因数の和:2104

約数の個数: 16

約数和(自身を含む): 645288448

約数和(自身を除く): 87781239

約数列:

[1, 7, 97, 577, 679, 1423, 4039, 9961, 55969, 138031, 391783, 821071, 966217, 5747497, 79643887, 557507209]

約数ペア:

[(1, 557507209), (7, 79643887), (97, 5747497), (577, 966217), (679, 821071), (1423, 391783), (4039, 138031), (9961, 55969)]