71920079

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5399}}^1$

素因数の和:5590

約数の個数: 16

約数和(自身を含む): 90201600

約数和(自身を除く): 18281521

約数列:

[1, 7, 11, 77, 173, 1211, 1903, 5399, 13321, 37793, 59389, 415723, 934027, 6538189, 10274297, 71920079]

約数ペア:

[(1, 71920079), (7, 10274297), (11, 6538189), (77, 934027), (173, 415723), (1211, 59389), (1903, 37793), (5399, 13321)]