23139805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 32465664

約数和(自身を除く): 9325859

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 487, 559, 731, 1105, 2435, 2795, 3655, 6331, 8279, 9503, 20941, 31655, 41395, 47515, 104705, 107627, 272233, 355997, 538135, 1361165, 1779985, 4627961, 23139805]

約数ペア:

[(1, 23139805), (5, 4627961), (13, 1779985), (17, 1361165), (43, 538135), (65, 355997), (85, 272233), (215, 107627), (221, 104705), (487, 47515), (559, 41395), (731, 31655), (1105, 20941), (2435, 9503), (2795, 8279), (3655, 6331)]