78764975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2099}}^1$

素因数の和:2207

約数の個数: 24

約数和(自身を含む): 104160000

約数和(自身を除く): 25395025

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 1501, 1975, 2099, 7505, 10495, 37525, 39881, 52475, 165821, 199405, 829105, 997025, 3150599, 4145525, 15752995, 78764975]

約数ペア:

[(1, 78764975), (5, 15752995), (19, 4145525), (25, 3150599), (79, 997025), (95, 829105), (395, 199405), (475, 165821), (1501, 52475), (1975, 39881), (2099, 37525), (7505, 10495)]