17991253

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4877}}^1$

素因数の和:4932

約数の個数: 16

約数和(自身を含む): 22477824

約数和(自身を除く): 4486571

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 4877, 34139, 82909, 151187, 580363, 1058309, 2570179, 17991253]

約数ペア:

[(1, 17991253), (7, 2570179), (17, 1058309), (31, 580363), (119, 151187), (217, 82909), (527, 34139), (3689, 4877)]