12856675

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:232

約数の個数: 36

約数和(自身を含む): 18380520

約数和(自身を除く): 5523845

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 179, 221, 325, 425, 845, 895, 1105, 2327, 2873, 3043, 4225, 4475, 5525, 11635, 14365, 15215, 30251, 39559, 58175, 71825, 76075, 151255, 197795, 514267, 756275, 988975, 2571335, 12856675]

約数ペア:

[(1, 12856675), (5, 2571335), (13, 988975), (17, 756275), (25, 514267), (65, 197795), (85, 151255), (169, 76075), (179, 71825), (221, 58175), (325, 39559), (425, 30251), (845, 15215), (895, 14365), (1105, 11635), (2327, 5525), (2873, 4475), (3043, 4225)]