201997390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2885677}}^1$

素因数の和:2885691

約数の個数: 16

約数和(自身を含む): 415537632

約数和(自身を除く): 213540242

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2885677, 5771354, 14428385, 20199739, 28856770, 40399478, 100998695, 201997390]

約数ペア:

[(1, 201997390), (2, 100998695), (5, 40399478), (7, 28856770), (10, 20199739), (14, 14428385), (35, 5771354), (70, 2885677)]