256881168

素因数分解:

$2^4\times 3^2\times {\mathrm{1783897}}^1$

素因数の和:1783911

約数の個数: 30

約数和(自身を含む): 718910894

約数和(自身を除く): 462029726

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1783897, 3567794, 5351691, 7135588, 10703382, 14271176, 16055073, 21406764, 28542352, 32110146, 42813528, 64220292, 85627056, 128440584, 256881168]

約数ペア:

[(1, 256881168), (2, 128440584), (3, 85627056), (4, 64220292), (6, 42813528), (8, 32110146), (9, 28542352), (12, 21406764), (16, 16055073), (18, 14271176), (24, 10703382), (36, 7135588), (48, 5351691), (72, 3567794), (144, 1783897)]