3991097089

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{20047}}^1$

素因数の和:20317

約数の個数: 24

約数和(自身を含む): 4936619520

約数和(自身を除く): 945522431

約数列:

[1, 7, 17, 49, 119, 239, 833, 1673, 4063, 11711, 20047, 28441, 140329, 199087, 340799, 982303, 2385593, 4791233, 16699151, 33538631, 81450961, 234770417, 570156727, 3991097089]

約数ペア:

[(1, 3991097089), (7, 570156727), (17, 234770417), (49, 81450961), (119, 33538631), (239, 16699151), (833, 4791233), (1673, 2385593), (4063, 982303), (11711, 340799), (20047, 199087), (28441, 140329)]