8639990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 16194816

約数和(自身を除く): 7554826

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 283, 355, 430, 566, 710, 1415, 2830, 3053, 6106, 12169, 15265, 20093, 24338, 30530, 40186, 60845, 100465, 121690, 200930, 863999, 1727998, 4319995, 8639990]

約数ペア:

[(1, 8639990), (2, 4319995), (5, 1727998), (10, 863999), (43, 200930), (71, 121690), (86, 100465), (142, 60845), (215, 40186), (283, 30530), (355, 24338), (430, 20093), (566, 15265), (710, 12169), (1415, 6106), (2830, 3053)]