71817473

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 94483200

約数和(自身を除く): 22665727

約数列:

[1, 7, 13, 19, 73, 91, 133, 247, 511, 569, 949, 1387, 1729, 3983, 6643, 7397, 9709, 10811, 18031, 41537, 51779, 75677, 126217, 140543, 290759, 539981, 789203, 983801, 3779867, 5524421, 10259639, 71817473]

約数ペア:

[(1, 71817473), (7, 10259639), (13, 5524421), (19, 3779867), (73, 983801), (91, 789203), (133, 539981), (247, 290759), (511, 140543), (569, 126217), (949, 75677), (1387, 51779), (1729, 41537), (3983, 18031), (6643, 10811), (7397, 9709)]