78565565

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{853}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 103146120

約数和(自身を除く): 24580555

約数列:

[1, 5, 13, 65, 109, 169, 545, 845, 853, 1417, 4265, 7085, 11089, 18421, 55445, 92105, 92977, 144157, 464885, 720785, 1208701, 6043505, 15713113, 78565565]

約数ペア:

[(1, 78565565), (5, 15713113), (13, 6043505), (65, 1208701), (109, 720785), (169, 464885), (545, 144157), (845, 92977), (853, 92105), (1417, 55445), (4265, 18421), (7085, 11089)]