12888325

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{613}}^1$

素因数の和:681

約数の個数: 18

約数和(自身を含む): 16578614

約数和(自身を除く): 3690289

約数列:

[1, 5, 25, 29, 145, 613, 725, 841, 3065, 4205, 15325, 17777, 21025, 88885, 444425, 515533, 2577665, 12888325]

約数ペア:

[(1, 12888325), (5, 2577665), (25, 515533), (29, 444425), (145, 88885), (613, 21025), (725, 17777), (841, 15325), (3065, 4205)]