16621829

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 20186208

約数和(自身を除く): 3564379

約数列:

[1, 7, 49, 61, 67, 83, 427, 469, 581, 2989, 3283, 4067, 4087, 5063, 5561, 28609, 35441, 38927, 200263, 248087, 272489, 339221, 2374547, 16621829]

約数ペア:

[(1, 16621829), (7, 2374547), (49, 339221), (61, 272489), (67, 248087), (83, 200263), (427, 38927), (469, 35441), (581, 28609), (2989, 5561), (3283, 5063), (4067, 4087)]