256746334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1291}}^1\times {\mathrm{7649}}^1$

素因数の和:8955

約数の個数: 16

約数和(自身を含む): 415119600

約数和(自身を除く): 158373266

約数列:

[1, 2, 13, 26, 1291, 2582, 7649, 15298, 16783, 33566, 99437, 198874, 9874859, 19749718, 128373167, 256746334]

約数ペア:

[(1, 256746334), (2, 128373167), (13, 19749718), (26, 9874859), (1291, 198874), (2582, 99437), (7649, 33566), (15298, 16783)]