7642156

素因数分解:

$2^2\times {\mathrm{71}}^2\times {\mathrm{379}}^1$

素因数の和:525

約数の個数: 18

約数和(自身を含む): 13600580

約数和(自身を除く): 5958424

約数列:

[1, 2, 4, 71, 142, 284, 379, 758, 1516, 5041, 10082, 20164, 26909, 53818, 107636, 1910539, 3821078, 7642156]

約数ペア:

[(1, 7642156), (2, 3821078), (4, 1910539), (71, 107636), (142, 53818), (284, 26909), (379, 20164), (758, 10082), (1516, 5041)]