25491115

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 33572448

約数和(自身を除く): 8081333

約数列:

[1, 5, 13, 65, 97, 169, 311, 485, 845, 1261, 1555, 4043, 6305, 16393, 20215, 30167, 52559, 81965, 150835, 262795, 392171, 1960855, 5098223, 25491115]

約数ペア:

[(1, 25491115), (5, 5098223), (13, 1960855), (65, 392171), (97, 262795), (169, 150835), (311, 81965), (485, 52559), (845, 30167), (1261, 20215), (1555, 16393), (4043, 6305)]