86985145

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 113735232

約数和(自身を除く): 26750087

約数列:

[1, 5, 13, 65, 169, 311, 331, 845, 1555, 1655, 4043, 4303, 20215, 21515, 52559, 55939, 102941, 262795, 279695, 514705, 1338233, 6691165, 17397029, 86985145]

約数ペア:

[(1, 86985145), (5, 17397029), (13, 6691165), (65, 1338233), (169, 514705), (311, 279695), (331, 262795), (845, 102941), (1555, 55939), (1655, 52559), (4043, 21515), (4303, 20215)]