12817128961

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{219731}}^1$

素因数の和:220392

約数の個数: 16

約数和(自身を含む): 15799609728

約数和(自身を除く): 2982480767

約数列:

[1, 7, 13, 91, 641, 4487, 8333, 58331, 219731, 1538117, 2856503, 19995521, 140847571, 985932997, 1831018423, 12817128961]

約数ペア:

[(1, 12817128961), (7, 1831018423), (13, 985932997), (91, 140847571), (641, 19995521), (4487, 2856503), (8333, 1538117), (58331, 219731)]