389944688

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{59011}}^1$

素因数の和:59085

約数の個数: 40

約数和(自身を含む): 878098560

約数和(自身を除く): 488153872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 112, 118, 236, 413, 472, 826, 944, 1652, 3304, 6608, 59011, 118022, 236044, 413077, 472088, 826154, 944176, 1652308, 3304616, 3481649, 6609232, 6963298, 13926596, 24371543, 27853192, 48743086, 55706384, 97486172, 194972344, 389944688]

約数ペア:

[(1, 389944688), (2, 194972344), (4, 97486172), (7, 55706384), (8, 48743086), (14, 27853192), (16, 24371543), (28, 13926596), (56, 6963298), (59, 6609232), (112, 3481649), (118, 3304616), (236, 1652308), (413, 944176), (472, 826154), (826, 472088), (944, 413077), (1652, 236044), (3304, 118022), (6608, 59011)]