399041692

素因数分解:

$2^2\times 7^2\times {\mathrm{2035927}}^1$

素因数の和:2035945

約数の個数: 18

約数和(自身を含む): 812335272

約数和(自身を除く): 413293580

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 2035927, 4071854, 8143708, 14251489, 28502978, 57005956, 99760423, 199520846, 399041692]

約数ペア:

[(1, 399041692), (2, 199520846), (4, 99760423), (7, 57005956), (14, 28502978), (28, 14251489), (49, 8143708), (98, 4071854), (196, 2035927)]