251289866

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 396938880

約数和(自身を除く): 145649014

約数列:

[1, 2, 37, 61, 74, 122, 179, 311, 358, 622, 2257, 4514, 6623, 10919, 11507, 13246, 18971, 21838, 23014, 37942, 55669, 111338, 404003, 701927, 808006, 1403854, 2059753, 3395809, 4119506, 6791618, 125644933, 251289866]

約数ペア:

[(1, 251289866), (2, 125644933), (37, 6791618), (61, 4119506), (74, 3395809), (122, 2059753), (179, 1403854), (311, 808006), (358, 701927), (622, 404003), (2257, 111338), (4514, 55669), (6623, 37942), (10919, 23014), (11507, 21838), (13246, 18971)]