78078721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5449}}^1$

素因数の和:5568

約数の個数: 16

約数和(自身を含む): 94176000

約数和(自身を除く): 16097279

約数列:

[1, 7, 23, 89, 161, 623, 2047, 5449, 14329, 38143, 125327, 484961, 877289, 3394727, 11154103, 78078721]

約数ペア:

[(1, 78078721), (7, 11154103), (23, 3394727), (89, 877289), (161, 484961), (623, 125327), (2047, 38143), (5449, 14329)]