256558416

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{38453}}^1$

素因数の和:38603

約数の個数: 40

約数和(自身を含む): 667561440

約数和(自身を除く): 411003024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3336, 6672, 38453, 76906, 115359, 153812, 230718, 307624, 461436, 615248, 922872, 1845744, 5344967, 10689934, 16034901, 21379868, 32069802, 42759736, 64139604, 85519472, 128279208, 256558416]

約数ペア:

[(1, 256558416), (2, 128279208), (3, 85519472), (4, 64139604), (6, 42759736), (8, 32069802), (12, 21379868), (16, 16034901), (24, 10689934), (48, 5344967), (139, 1845744), (278, 922872), (417, 615248), (556, 461436), (834, 307624), (1112, 230718), (1668, 153812), (2224, 115359), (3336, 76906), (6672, 38453)]