12667975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 17061408

約数和(自身を除く): 4393433

約数列:

[1, 5, 17, 25, 41, 85, 205, 425, 697, 727, 1025, 3485, 3635, 12359, 17425, 18175, 29807, 61795, 149035, 308975, 506719, 745175, 2533595, 12667975]

約数ペア:

[(1, 12667975), (5, 2533595), (17, 745175), (25, 506719), (41, 308975), (85, 149035), (205, 61795), (425, 29807), (697, 18175), (727, 17425), (1025, 12359), (3485, 3635)]