50721775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{653}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 68120640

約数和(自身を除く): 17398865

約数列:

[1, 5, 13, 25, 65, 239, 325, 653, 1195, 3107, 3265, 5975, 8489, 15535, 16325, 42445, 77675, 156067, 212225, 780335, 2028871, 3901675, 10144355, 50721775]

約数ペア:

[(1, 50721775), (5, 10144355), (13, 3901675), (25, 2028871), (65, 780335), (239, 212225), (325, 156067), (653, 77675), (1195, 42445), (3107, 16325), (3265, 15535), (5975, 8489)]