890405984

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{2140399}}^1$

素因数の和:2140422

約数の個数: 24

約数和(自身を含む): 1887832800

約数和(自身を除く): 997426816

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 2140399, 4280798, 8561596, 17123192, 27825187, 34246384, 55650374, 68492768, 111300748, 222601496, 445202992, 890405984]

約数ペア:

[(1, 890405984), (2, 445202992), (4, 222601496), (8, 111300748), (13, 68492768), (16, 55650374), (26, 34246384), (32, 27825187), (52, 17123192), (104, 8561596), (208, 4280798), (416, 2140399)]