85216985

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{78541}}^1$

素因数の和:78584

約数の個数: 16

約数和(自身を含む): 120640512

約数和(自身を除く): 35423527

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 78541, 392705, 549787, 2434771, 2748935, 12173855, 17043397, 85216985]

約数ペア:

[(1, 85216985), (5, 17043397), (7, 12173855), (31, 2748935), (35, 2434771), (155, 549787), (217, 392705), (1085, 78541)]