127090019

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{4007}}^1$

素因数の和:4234

約数の個数: 16

約数和(自身を含む): 152368128

約数和(自身を除く): 25278109

約数列:

[1, 7, 23, 161, 197, 1379, 4007, 4531, 28049, 31717, 92161, 645127, 789379, 5525653, 18155717, 127090019]

約数ペア:

[(1, 127090019), (7, 18155717), (23, 5525653), (161, 789379), (197, 645127), (1379, 92161), (4007, 31717), (4531, 28049)]