11217215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{947}}^1$

素因数の和:1078

約数の個数: 16

約数和(自身を含む): 14197248

約数和(自身を除く): 2980033

約数列:

[1, 5, 23, 103, 115, 515, 947, 2369, 4735, 11845, 21781, 97541, 108905, 487705, 2243443, 11217215]

約数ペア:

[(1, 11217215), (5, 2243443), (23, 487705), (103, 108905), (115, 97541), (515, 21781), (947, 11845), (2369, 4735)]