12645425

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 17631684

約数和(自身を除く): 4986259

約数列:

[1, 5, 13, 25, 41, 65, 73, 169, 205, 325, 365, 533, 845, 949, 1025, 1825, 2665, 2993, 4225, 4745, 6929, 12337, 13325, 14965, 23725, 34645, 38909, 61685, 74825, 173225, 194545, 308425, 505817, 972725, 2529085, 12645425]

約数ペア:

[(1, 12645425), (5, 2529085), (13, 972725), (25, 505817), (41, 308425), (65, 194545), (73, 173225), (169, 74825), (205, 61685), (325, 38909), (365, 34645), (533, 23725), (845, 14965), (949, 13325), (1025, 12337), (1825, 6929), (2665, 4745), (2993, 4225)]