7978015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2066

約数の個数: 16

約数和(自身を含む): 10357632

約数和(自身を除く): 2379617

約数列:

[1, 5, 17, 47, 85, 235, 799, 1997, 3995, 9985, 33949, 93859, 169745, 469295, 1595603, 7978015]

約数ペア:

[(1, 7978015), (5, 1595603), (17, 469295), (47, 169745), (85, 93859), (235, 33949), (799, 9985), (1997, 3995)]