70991405

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 91871592

約数和(自身を除く): 20880187

約数列:

[1, 5, 17, 73, 85, 289, 365, 673, 1241, 1445, 3365, 6205, 11441, 21097, 49129, 57205, 105485, 194497, 245645, 835193, 972485, 4175965, 14198281, 70991405]

約数ペア:

[(1, 70991405), (5, 14198281), (17, 4175965), (73, 972485), (85, 835193), (289, 245645), (365, 194497), (673, 105485), (1241, 57205), (1445, 49129), (3365, 21097), (6205, 11441)]