256885635

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1801}}^1$

素因数の和:2103

約数の個数: 32

約数和(自身を含む): 424003392

約数和(自身を除く): 167117757

約数列:

[1, 3, 5, 15, 37, 111, 185, 257, 555, 771, 1285, 1801, 3855, 5403, 9005, 9509, 27015, 28527, 47545, 66637, 142635, 199911, 333185, 462857, 999555, 1388571, 2314285, 6942855, 17125709, 51377127, 85628545, 256885635]

約数ペア:

[(1, 256885635), (3, 85628545), (5, 51377127), (15, 17125709), (37, 6942855), (111, 2314285), (185, 1388571), (257, 999555), (555, 462857), (771, 333185), (1285, 199911), (1801, 142635), (3855, 66637), (5403, 47545), (9005, 28527), (9509, 27015)]