256522608

素因数分解:

$2^4\times 3^2\times {\mathrm{1781407}}^1$

素因数の和:1781421

約数の個数: 30

約数和(自身を含む): 717907424

約数和(自身を除く): 461384816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1781407, 3562814, 5344221, 7125628, 10688442, 14251256, 16032663, 21376884, 28502512, 32065326, 42753768, 64130652, 85507536, 128261304, 256522608]

約数ペア:

[(1, 256522608), (2, 128261304), (3, 85507536), (4, 64130652), (6, 42753768), (8, 32065326), (9, 28502512), (12, 21376884), (16, 16032663), (18, 14251256), (24, 10688442), (36, 7125628), (48, 5344221), (72, 3562814), (144, 1781407)]