318140848

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{641413}}^1$

素因数の和:641452

約数の個数: 20

約数和(自身を含む): 636282688

約数和(自身を除く): 318141840

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 641413, 1282826, 2565652, 5131304, 10262608, 19883803, 39767606, 79535212, 159070424, 318140848]

約数ペア:

[(1, 318140848), (2, 159070424), (4, 79535212), (8, 39767606), (16, 19883803), (31, 10262608), (62, 5131304), (124, 2565652), (248, 1282826), (496, 641413)]