389968364

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{607}}^1\times {\mathrm{2633}}^1$

素因数の和:3305

約数の個数: 24

約数和(自身を含む): 695038848

約数和(自身を除く): 305070484

約数列:

[1, 2, 4, 61, 122, 244, 607, 1214, 2428, 2633, 5266, 10532, 37027, 74054, 148108, 160613, 321226, 642452, 1598231, 3196462, 6392924, 97492091, 194984182, 389968364]

約数ペア:

[(1, 389968364), (2, 194984182), (4, 97492091), (61, 6392924), (122, 3196462), (244, 1598231), (607, 642452), (1214, 321226), (2428, 160613), (2633, 148108), (5266, 74054), (10532, 37027)]