81697205

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{13103}}^1$

素因数の和:13180

約数の個数: 16

約数和(自身を含む): 103783680

約数和(自身を除く): 22086475

約数列:

[1, 5, 29, 43, 145, 215, 1247, 6235, 13103, 65515, 379987, 563429, 1899935, 2817145, 16339441, 81697205]

約数ペア:

[(1, 81697205), (5, 16339441), (29, 2817145), (43, 1899935), (145, 563429), (215, 379987), (1247, 65515), (6235, 13103)]