331880704

素因数分解:

$2^8\times {\mathrm{1296409}}^1$

素因数の和:1296425

約数の個数: 18

約数和(自身を含む): 662465510

約数和(自身を除く): 330584806

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1296409, 2592818, 5185636, 10371272, 20742544, 41485088, 82970176, 165940352, 331880704]

約数ペア:

[(1, 331880704), (2, 165940352), (4, 82970176), (8, 41485088), (16, 20742544), (32, 10371272), (64, 5185636), (128, 2592818), (256, 1296409)]