28154555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{233}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 40098240

約数和(自身を除く): 11943685

約数列:

[1, 5, 11, 13, 55, 65, 143, 169, 233, 715, 845, 1165, 1859, 2197, 2563, 3029, 9295, 10985, 12815, 15145, 24167, 33319, 39377, 120835, 166595, 196885, 433147, 511901, 2165735, 2559505, 5630911, 28154555]

約数ペア:

[(1, 28154555), (5, 5630911), (11, 2559505), (13, 2165735), (55, 511901), (65, 433147), (143, 196885), (169, 166595), (233, 120835), (715, 39377), (845, 33319), (1165, 24167), (1859, 15145), (2197, 12815), (2563, 10985), (3029, 9295)]