61380995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21961}}^1$

素因数の和:22022

約数の個数: 16

約数和(自身を含む): 81171552

約数和(自身を除く): 19790557

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 21961, 109805, 285493, 944323, 1427465, 4721615, 12276199, 61380995]

約数ペア:

[(1, 61380995), (5, 12276199), (13, 4721615), (43, 1427465), (65, 944323), (215, 285493), (559, 109805), (2795, 21961)]