26960297

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 9166423

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 403, 503, 589, 1729, 2821, 3521, 4123, 6539, 7657, 9557, 15593, 45773, 53599, 66899, 109151, 124241, 202709, 296267, 869687, 1418963, 2073869, 3851471, 26960297]

約数ペア:

[(1, 26960297), (7, 3851471), (13, 2073869), (19, 1418963), (31, 869687), (91, 296267), (133, 202709), (217, 124241), (247, 109151), (403, 66899), (503, 53599), (589, 45773), (1729, 15593), (2821, 9557), (3521, 7657), (4123, 6539)]