638467145

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{13729}}^1$

素因数の和:13936

約数の個数: 16

約数和(自身を含む): 782939520

約数和(自身を除く): 144472375

約数列:

[1, 5, 71, 131, 355, 655, 9301, 13729, 46505, 68645, 974759, 1798499, 4873795, 8992495, 127693429, 638467145]

約数ペア:

[(1, 638467145), (5, 127693429), (71, 8992495), (131, 4873795), (355, 1798499), (655, 974759), (9301, 68645), (13729, 46505)]