389975105

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{1931}}^1$

素因数の和:2201

約数の個数: 24

約数和(自身を含む): 509120640

約数和(自身を除く): 119145535

約数列:

[1, 5, 13, 65, 169, 239, 845, 1195, 1931, 3107, 9655, 15535, 25103, 40391, 125515, 201955, 326339, 461509, 1631695, 2307545, 5999617, 29998085, 77995021, 389975105]

約数ペア:

[(1, 389975105), (5, 77995021), (13, 29998085), (65, 5999617), (169, 2307545), (239, 1631695), (845, 461509), (1195, 326339), (1931, 201955), (3107, 125515), (9655, 40391), (15535, 25103)]