645203210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{13411}}^1$

素因数の和:13718

約数の個数: 32

約数和(自身を含む): 1234118592

約数和(自身を除く): 588915382

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 283, 566, 1415, 2830, 4811, 9622, 13411, 24055, 26822, 48110, 67055, 134110, 227987, 455974, 1139935, 2279870, 3795313, 7590626, 18976565, 37953130, 64520321, 129040642, 322601605, 645203210]

約数ペア:

[(1, 645203210), (2, 322601605), (5, 129040642), (10, 64520321), (17, 37953130), (34, 18976565), (85, 7590626), (170, 3795313), (283, 2279870), (566, 1139935), (1415, 455974), (2830, 227987), (4811, 134110), (9622, 67055), (13411, 48110), (24055, 26822)]