256271708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{75641}}^1$

素因数の和:75674

約数の個数: 36

約数和(自身を含む): 563381616

約数和(自身を除く): 307109908

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 75641, 151282, 302564, 529487, 832051, 1058974, 1664102, 2117948, 3328204, 5824357, 9152561, 11648714, 18305122, 23297428, 36610244, 64067927, 128135854, 256271708]

約数ペア:

[(1, 256271708), (2, 128135854), (4, 64067927), (7, 36610244), (11, 23297428), (14, 18305122), (22, 11648714), (28, 9152561), (44, 5824357), (77, 3328204), (121, 2117948), (154, 1664102), (242, 1058974), (308, 832051), (484, 529487), (847, 302564), (1694, 151282), (3388, 75641)]