126291215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 166224960

約数和(自身を除く): 39933745

約数列:

[1, 5, 17, 43, 85, 109, 215, 317, 545, 731, 1585, 1853, 3655, 4687, 5389, 9265, 13631, 23435, 26945, 34553, 68155, 79679, 172765, 231727, 398395, 587401, 1158635, 1485779, 2937005, 7428895, 25258243, 126291215]

約数ペア:

[(1, 126291215), (5, 25258243), (17, 7428895), (43, 2937005), (85, 1485779), (109, 1158635), (215, 587401), (317, 398395), (545, 231727), (731, 172765), (1585, 79679), (1853, 68155), (3655, 34553), (4687, 26945), (5389, 23435), (9265, 13631)]