13355225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 18720900

約数和(自身を除く): 5365675

約数列:

[1, 5, 13, 25, 29, 65, 109, 145, 169, 325, 377, 545, 725, 845, 1417, 1885, 2725, 3161, 4225, 4901, 7085, 9425, 15805, 18421, 24505, 35425, 41093, 79025, 92105, 122525, 205465, 460525, 534209, 1027325, 2671045, 13355225]

約数ペア:

[(1, 13355225), (5, 2671045), (13, 1027325), (25, 534209), (29, 460525), (65, 205465), (109, 122525), (145, 92105), (169, 79025), (325, 41093), (377, 35425), (545, 24505), (725, 18421), (845, 15805), (1417, 9425), (1885, 7085), (2725, 4901), (3161, 4225)]