64342615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{4271}}^1$

素因数の和:4430

約数の個数: 16

約数和(自身を含む): 81202176

約数和(自身を除く): 16859561

約数列:

[1, 5, 23, 115, 131, 655, 3013, 4271, 15065, 21355, 98233, 491165, 559501, 2797505, 12868523, 64342615]

約数ペア:

[(1, 64342615), (5, 12868523), (23, 2797505), (115, 559501), (131, 491165), (655, 98233), (3013, 21355), (4271, 15065)]