3999505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 5128704

約数和(自身を除く): 1129199

約数列:

[1, 5, 17, 85, 211, 223, 1055, 1115, 3587, 3791, 17935, 18955, 47053, 235265, 799901, 3999505]

約数ペア:

[(1, 3999505), (5, 799901), (17, 235265), (85, 47053), (211, 18955), (223, 17935), (1055, 3791), (1115, 3587)]