17728340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{126631}}^1$

素因数の和:126647

約数の個数: 24

約数和(自身を含む): 42548352

約数和(自身を除く): 24820012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 126631, 253262, 506524, 633155, 886417, 1266310, 1772834, 2532620, 3545668, 4432085, 8864170, 17728340]

約数ペア:

[(1, 17728340), (2, 8864170), (4, 4432085), (5, 3545668), (7, 2532620), (10, 1772834), (14, 1266310), (20, 886417), (28, 633155), (35, 506524), (70, 253262), (140, 126631)]