257621392

素因数分解:

$2^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{10133}}^1$

素因数の和:10375

約数の個数: 40

約数和(自身を含む): 573016896

約数和(自身を除く): 315395504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 227, 454, 908, 1589, 1816, 3178, 3632, 6356, 10133, 12712, 20266, 25424, 40532, 70931, 81064, 141862, 162128, 283724, 567448, 1134896, 2300191, 4600382, 9200764, 16101337, 18401528, 32202674, 36803056, 64405348, 128810696, 257621392]

約数ペア:

[(1, 257621392), (2, 128810696), (4, 64405348), (7, 36803056), (8, 32202674), (14, 18401528), (16, 16101337), (28, 9200764), (56, 4600382), (112, 2300191), (227, 1134896), (454, 567448), (908, 283724), (1589, 162128), (1816, 141862), (3178, 81064), (3632, 70931), (6356, 40532), (10133, 25424), (12712, 20266)]