650065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:228

約数の個数: 16

約数和(自身を含む): 857808

約数和(自身を除く): 207743

約数列:

[1, 5, 13, 65, 73, 137, 365, 685, 949, 1781, 4745, 8905, 10001, 50005, 130013, 650065]

約数ペア:

[(1, 650065), (5, 130013), (13, 50005), (65, 10001), (73, 8905), (137, 4745), (365, 1781), (685, 949)]