399245396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{171203}}^1$

素因数の和:171271

約数の個数: 24

約数和(自身を含む): 776581344

約数和(自身を除く): 377335948

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 171203, 342406, 684812, 1883233, 3766466, 7532932, 9073759, 18147518, 36295036, 99811349, 199622698, 399245396]

約数ペア:

[(1, 399245396), (2, 199622698), (4, 99811349), (11, 36295036), (22, 18147518), (44, 9073759), (53, 7532932), (106, 3766466), (212, 1883233), (583, 684812), (1166, 342406), (2332, 171203)]