90870157

素因数分解:

$7^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 108838080

約数和(自身を除く): 17967923

約数列:

[1, 7, 49, 67, 89, 311, 469, 623, 2177, 3283, 4361, 5963, 15239, 20837, 27679, 41741, 145859, 193753, 292187, 1021013, 1356271, 1854493, 12981451, 90870157]

約数ペア:

[(1, 90870157), (7, 12981451), (49, 1854493), (67, 1356271), (89, 1021013), (311, 292187), (469, 193753), (623, 145859), (2177, 41741), (3283, 27679), (4361, 20837), (5963, 15239)]