79721369

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{4447}}^1$

素因数の和:4664

約数の個数: 16

約数和(自身を含む): 98638848

約数和(自身を除く): 18917479

約数列:

[1, 7, 13, 91, 197, 1379, 2561, 4447, 17927, 31129, 57811, 404677, 876059, 6132413, 11388767, 79721369]

約数ペア:

[(1, 79721369), (7, 11388767), (13, 6132413), (91, 876059), (197, 404677), (1379, 57811), (2561, 31129), (4447, 17927)]