17729740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{126641}}^1$

素因数の和:126657

約数の個数: 24

約数和(自身を含む): 42551712

約数和(自身を除く): 24821972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 126641, 253282, 506564, 633205, 886487, 1266410, 1772974, 2532820, 3545948, 4432435, 8864870, 17729740]

約数ペア:

[(1, 17729740), (2, 8864870), (4, 4432435), (5, 3545948), (7, 2532820), (10, 1772974), (14, 1266410), (20, 886487), (28, 633205), (35, 506564), (70, 253282), (140, 126641)]