31253225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 41390208

約数和(自身を除く): 10136983

約数列:

[1, 5, 17, 25, 85, 151, 425, 487, 755, 2435, 2567, 3775, 8279, 12175, 12835, 41395, 64175, 73537, 206975, 367685, 1250129, 1838425, 6250645, 31253225]

約数ペア:

[(1, 31253225), (5, 6250645), (17, 1838425), (25, 1250129), (85, 367685), (151, 206975), (425, 73537), (487, 64175), (755, 41395), (2435, 12835), (2567, 12175), (3775, 8279)]