400463908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{7701229}}^1$

素因数の和:7701246

約数の個数: 12

約数和(自身を含む): 754720540

約数和(自身を除く): 354256632

約数列:

[1, 2, 4, 13, 26, 52, 7701229, 15402458, 30804916, 100115977, 200231954, 400463908]

約数ペア:

[(1, 400463908), (2, 200231954), (4, 100115977), (13, 30804916), (26, 15402458), (52, 7701229)]