42978221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 51737760

約数和(自身を除く): 8759539

約数列:

[1, 11, 13, 61, 143, 169, 379, 671, 793, 1859, 4169, 4927, 8723, 10309, 23119, 54197, 64051, 113399, 254309, 300547, 704561, 3306017, 3907111, 42978221]

約数ペア:

[(1, 42978221), (11, 3907111), (13, 3306017), (61, 704561), (143, 300547), (169, 254309), (379, 113399), (671, 64051), (793, 54197), (1859, 23119), (4169, 10309), (4927, 8723)]