89107405

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 113873760

約数和(自身を除く): 24766355

約数列:

[1, 5, 23, 59, 115, 295, 529, 571, 1357, 2645, 2855, 6785, 13133, 31211, 33689, 65665, 156055, 168445, 302059, 774847, 1510295, 3874235, 17821481, 89107405]

約数ペア:

[(1, 89107405), (5, 17821481), (23, 3874235), (59, 1510295), (115, 774847), (295, 302059), (529, 168445), (571, 156055), (1357, 65665), (2645, 33689), (2855, 31211), (6785, 13133)]