643527536

素因数分解:

$2^4\times {\mathrm{2309}}^1\times {\mathrm{17419}}^1$

素因数の和:19736

約数の個数: 20

約数和(自身を含む): 1247446200

約数和(自身を除く): 603918664

約数列:

[1, 2, 4, 8, 16, 2309, 4618, 9236, 17419, 18472, 34838, 36944, 69676, 139352, 278704, 40220471, 80440942, 160881884, 321763768, 643527536]

約数ペア:

[(1, 643527536), (2, 321763768), (4, 160881884), (8, 80440942), (16, 40220471), (2309, 278704), (4618, 139352), (9236, 69676), (17419, 36944), (18472, 34838)]