420352

素因数分解:

$2^9\times {\mathrm{821}}^1$

素因数の和:839

約数の個数: 20

約数和(自身を含む): 840906

約数和(自身を除く): 420554

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 821, 1642, 3284, 6568, 13136, 26272, 52544, 105088, 210176, 420352]

約数ペア:

[(1, 420352), (2, 210176), (4, 105088), (8, 52544), (16, 26272), (32, 13136), (64, 6568), (128, 3284), (256, 1642), (512, 821)]