71211217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15161}}^1$

素因数の和:15240

約数の個数: 16

約数和(自身を含む): 90244224

約数和(自身を除く): 19033007

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 15161, 106127, 166771, 924821, 1167397, 6473747, 10173031, 71211217]

約数ペア:

[(1, 71211217), (7, 10173031), (11, 6473747), (61, 1167397), (77, 924821), (427, 166771), (671, 106127), (4697, 15161)]