161957518

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{20089}}^1$

素因数の和:20259

約数の個数: 16

約数和(自身を含む): 253134000

約数和(自身を除く): 91176482

約数列:

[1, 2, 29, 58, 139, 278, 4031, 8062, 20089, 40178, 582581, 1165162, 2792371, 5584742, 80978759, 161957518]

約数ペア:

[(1, 161957518), (2, 80978759), (29, 5584742), (58, 2792371), (139, 1165162), (278, 582581), (4031, 40178), (8062, 20089)]