12897275

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 16737024

約数和(自身を除く): 3839749

約数列:

[1, 5, 25, 37, 73, 185, 191, 365, 925, 955, 1825, 2701, 4775, 7067, 13505, 13943, 35335, 67525, 69715, 176675, 348575, 515891, 2579455, 12897275]

約数ペア:

[(1, 12897275), (5, 2579455), (25, 515891), (37, 348575), (73, 176675), (185, 69715), (191, 67525), (365, 35335), (925, 13943), (955, 13505), (1825, 7067), (2701, 4775)]