81496429

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{2399}}^1$

素因数の和:2640

約数の個数: 16

約数和(自身を含む): 97689600

約数和(自身を除く): 16193171

約数列:

[1, 7, 23, 161, 211, 1477, 2399, 4853, 16793, 33971, 55177, 386239, 506189, 3543323, 11642347, 81496429]

約数ペア:

[(1, 81496429), (7, 11642347), (23, 3543323), (161, 506189), (211, 386239), (1477, 55177), (2399, 33971), (4853, 16793)]