405231632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1948229}}^1$

素因数の和:1948250

約数の個数: 20

約数和(自身を含む): 845531820

約数和(自身を除く): 440300188

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1948229, 3896458, 7792916, 15585832, 25326977, 31171664, 50653954, 101307908, 202615816, 405231632]

約数ペア:

[(1, 405231632), (2, 202615816), (4, 101307908), (8, 50653954), (13, 31171664), (16, 25326977), (26, 15585832), (52, 7792916), (104, 3896458), (208, 1948229)]