72220267

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 89631360

約数和(自身を除く): 17411093

約数列:

[1, 7, 17, 49, 119, 181, 479, 833, 1267, 3077, 3353, 8143, 8869, 21539, 23471, 57001, 86699, 150773, 399007, 606893, 1473883, 4248251, 10317181, 72220267]

約数ペア:

[(1, 72220267), (7, 10317181), (17, 4248251), (49, 1473883), (119, 606893), (181, 399007), (479, 150773), (833, 86699), (1267, 57001), (3077, 23471), (3353, 21539), (8143, 8869)]