28441855

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 37446192

約数和(自身を除く): 9004337

約数列:

[1, 5, 13, 65, 97, 169, 347, 485, 845, 1261, 1735, 4511, 6305, 16393, 22555, 33659, 58643, 81965, 168295, 293215, 437567, 2187835, 5688371, 28441855]

約数ペア:

[(1, 28441855), (5, 5688371), (13, 2187835), (65, 437567), (97, 293215), (169, 168295), (347, 81965), (485, 58643), (845, 33659), (1261, 22555), (1735, 16393), (4511, 6305)]