156813215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{65203}}^1$

素因数の和:65258

約数の個数: 16

約数和(自身を含む): 208131168

約数和(自身を除く): 51317953

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 65203, 326015, 847639, 2412511, 4238195, 12062555, 31362643, 156813215]

約数ペア:

[(1, 156813215), (5, 31362643), (13, 12062555), (37, 4238195), (65, 2412511), (185, 847639), (481, 326015), (2405, 65203)]