399147224

素因数分解:

$2^3\times 7^1\times {\mathrm{7127629}}^1$

素因数の和:7127642

約数の個数: 16

約数和(自身を含む): 855315600

約数和(自身を除く): 456168376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 7127629, 14255258, 28510516, 49893403, 57021032, 99786806, 199573612, 399147224]

約数ペア:

[(1, 399147224), (2, 199573612), (4, 99786806), (7, 57021032), (8, 49893403), (14, 28510516), (28, 14255258), (56, 7127629)]