31440655

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2087}}^1$

素因数の和:2246

約数の個数: 16

約数和(自身を含む): 39688704

約数和(自身を除く): 8248049

約数列:

[1, 5, 23, 115, 131, 655, 2087, 3013, 10435, 15065, 48001, 240005, 273397, 1366985, 6288131, 31440655]

約数ペア:

[(1, 31440655), (5, 6288131), (23, 1366985), (115, 273397), (131, 240005), (655, 48001), (2087, 15065), (3013, 10435)]