80717749

素因数分解:

$7^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 96526080

約数和(自身を除く): 15808331

約数列:

[1, 7, 49, 83, 89, 223, 581, 623, 1561, 4067, 4361, 7387, 10927, 18509, 19847, 51709, 129563, 138929, 361963, 906941, 972503, 1647301, 11531107, 80717749]

約数ペア:

[(1, 80717749), (7, 11531107), (49, 1647301), (83, 972503), (89, 906941), (223, 361963), (581, 138929), (623, 129563), (1561, 51709), (4067, 19847), (4361, 18509), (7387, 10927)]