78218570

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2687}}^1$

素因数の和:2806

約数の個数: 32

約数和(自身を含む): 146313216

約数和(自身を除く): 68094646

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 355, 410, 710, 2687, 2911, 5374, 5822, 13435, 14555, 26870, 29110, 110167, 190777, 220334, 381554, 550835, 953885, 1101670, 1907770, 7821857, 15643714, 39109285, 78218570]

約数ペア:

[(1, 78218570), (2, 39109285), (5, 15643714), (10, 7821857), (41, 1907770), (71, 1101670), (82, 953885), (142, 550835), (205, 381554), (355, 220334), (410, 190777), (710, 110167), (2687, 29110), (2911, 26870), (5374, 14555), (5822, 13435)]