89140495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{1801}}^1$

素因数の和:2346

約数の個数: 16

約数和(自身を含む): 112877280

約数和(自身を除く): 23736785

約数列:

[1, 5, 19, 95, 521, 1801, 2605, 9005, 9899, 34219, 49495, 171095, 938321, 4691605, 17828099, 89140495]

約数ペア:

[(1, 89140495), (5, 17828099), (19, 4691605), (95, 938321), (521, 171095), (1801, 49495), (2605, 34219), (9005, 9899)]