397557394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{60919}}^1$

素因数の和:61185

約数の個数: 16

約数和(自身を含む): 644777280

約数和(自身を除く): 247219886

約数列:

[1, 2, 13, 26, 251, 502, 3263, 6526, 60919, 121838, 791947, 1583894, 15290669, 30581338, 198778697, 397557394]

約数ペア:

[(1, 397557394), (2, 198778697), (13, 30581338), (26, 15290669), (251, 1583894), (502, 791947), (3263, 121838), (6526, 60919)]