42320257

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 49674240

約数和(自身を除く): 7353983

約数列:

[1, 7, 47, 307, 329, 419, 2149, 2933, 14429, 19693, 101003, 128633, 137851, 900431, 6045751, 42320257]

約数ペア:

[(1, 42320257), (7, 6045751), (47, 900431), (307, 137851), (329, 128633), (419, 101003), (2149, 19693), (2933, 14429)]