256533528

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{248579}}^1$

素因数の和:248631

約数の個数: 32

約数和(自身を含む): 656251200

約数和(自身を除く): 399717672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 248579, 497158, 745737, 994316, 1491474, 1988632, 2982948, 5965896, 10688897, 21377794, 32066691, 42755588, 64133382, 85511176, 128266764, 256533528]

約数ペア:

[(1, 256533528), (2, 128266764), (3, 85511176), (4, 64133382), (6, 42755588), (8, 32066691), (12, 21377794), (24, 10688897), (43, 5965896), (86, 2982948), (129, 1988632), (172, 1491474), (258, 994316), (344, 745737), (516, 497158), (1032, 248579)]