74965985

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{809}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 92378880

約数和(自身を除く): 17412895

約数列:

[1, 5, 43, 215, 431, 809, 2155, 4045, 18533, 34787, 92665, 173935, 348679, 1743395, 14993197, 74965985]

約数ペア:

[(1, 74965985), (5, 14993197), (43, 1743395), (215, 348679), (431, 173935), (809, 92665), (2155, 34787), (4045, 18533)]