640114838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1151}}^1\times {\mathrm{1487}}^1$

素因数の和:2668

約数の個数: 32

約数和(自身を含む): 1110786048

約数和(自身を除く): 470671210

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 1151, 1487, 2302, 2974, 12661, 16357, 19567, 25279, 25322, 32714, 39134, 50558, 215237, 278069, 430474, 556138, 1711537, 3423074, 18826907, 29096129, 37653814, 58192258, 320057419, 640114838]

約数ペア:

[(1, 640114838), (2, 320057419), (11, 58192258), (17, 37653814), (22, 29096129), (34, 18826907), (187, 3423074), (374, 1711537), (1151, 556138), (1487, 430474), (2302, 278069), (2974, 215237), (12661, 50558), (16357, 39134), (19567, 32714), (25279, 25322)]