407907145

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{20089}}^1$

素因数の和:20256

約数の個数: 16

約数和(自身を含む): 509160960

約数和(自身を除く): 101253815

約数列:

[1, 5, 31, 131, 155, 655, 4061, 20089, 20305, 100445, 622759, 2631659, 3113795, 13158295, 81581429, 407907145]

約数ペア:

[(1, 407907145), (5, 81581429), (31, 13158295), (131, 3113795), (155, 2631659), (655, 622759), (4061, 100445), (20089, 20305)]