39985372

素因数分解:

$2^2\times 7^2\times {\mathrm{204007}}^1$

素因数の和:204025

約数の個数: 18

約数和(自身を含む): 81399192

約数和(自身を除く): 41413820

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 204007, 408014, 816028, 1428049, 2856098, 5712196, 9996343, 19992686, 39985372]

約数ペア:

[(1, 39985372), (2, 19992686), (4, 9996343), (7, 5712196), (14, 2856098), (28, 1428049), (49, 816028), (98, 408014), (196, 204007)]