157217408

素因数分解:

$2^7\times {\mathrm{101}}^1\times {\mathrm{12161}}^1$

素因数の和:12276

約数の個数: 32

約数和(自身を含む): 316333620

約数和(自身を除く): 159116212

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 404, 808, 1616, 3232, 6464, 12161, 12928, 24322, 48644, 97288, 194576, 389152, 778304, 1228261, 1556608, 2456522, 4913044, 9826088, 19652176, 39304352, 78608704, 157217408]

約数ペア:

[(1, 157217408), (2, 78608704), (4, 39304352), (8, 19652176), (16, 9826088), (32, 4913044), (64, 2456522), (101, 1556608), (128, 1228261), (202, 778304), (404, 389152), (808, 194576), (1616, 97288), (3232, 48644), (6464, 24322), (12161, 12928)]