12811315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2137}}^1$

素因数の和:2262

約数の個数: 16

約数和(自身を含む): 16932960

約数和(自身を除く): 4121645

約数列:

[1, 5, 11, 55, 109, 545, 1199, 2137, 5995, 10685, 23507, 117535, 232933, 1164665, 2562263, 12811315]

約数ペア:

[(1, 12811315), (5, 2562263), (11, 1164665), (55, 232933), (109, 117535), (545, 23507), (1199, 10685), (2137, 5995)]