491199215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1721}}^1\times {\mathrm{4391}}^1$

素因数の和:6130

約数の個数: 16

約数和(自身を含む): 635294016

約数和(自身を除く): 144094801

約数列:

[1, 5, 13, 65, 1721, 4391, 8605, 21955, 22373, 57083, 111865, 285415, 7556911, 37784555, 98239843, 491199215]

約数ペア:

[(1, 491199215), (5, 98239843), (13, 37784555), (65, 7556911), (1721, 285415), (4391, 111865), (8605, 57083), (21955, 22373)]