256880598

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1291}}^1\times {\mathrm{2551}}^1$

素因数の和:3860

約数の個数: 32

約数和(自身を含む): 553926912

約数和(自身を除く): 297046314

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1291, 2551, 2582, 3873, 5102, 7653, 7746, 15306, 16783, 33163, 33566, 50349, 66326, 99489, 100698, 198978, 3293341, 6586682, 9880023, 19760046, 42813433, 85626866, 128440299, 256880598]

約数ペア:

[(1, 256880598), (2, 128440299), (3, 85626866), (6, 42813433), (13, 19760046), (26, 9880023), (39, 6586682), (78, 3293341), (1291, 198978), (2551, 100698), (2582, 99489), (3873, 66326), (5102, 50349), (7653, 33566), (7746, 33163), (15306, 16783)]