78065210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2678

約数の個数: 32

約数和(自身を含む): 145867392

約数和(自身を除く): 67802182

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 710, 2557, 3053, 5114, 6106, 12785, 15265, 25570, 30530, 109951, 181547, 219902, 363094, 549755, 907735, 1099510, 1815470, 7806521, 15613042, 39032605, 78065210]

約数ペア:

[(1, 78065210), (2, 39032605), (5, 15613042), (10, 7806521), (43, 1815470), (71, 1099510), (86, 907735), (142, 549755), (215, 363094), (355, 219902), (430, 181547), (710, 109951), (2557, 30530), (3053, 25570), (5114, 15265), (6106, 12785)]