388149720788

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{3919}}^1\times {\mathrm{231409}}^1$

素因数の和:235439

約数の個数: 24

約数和(自身を含む): 685788163200

約数和(自身を除く): 297638442412

約数列:

[1, 2, 4, 107, 214, 428, 3919, 7838, 15676, 231409, 419333, 462818, 838666, 925636, 1677332, 24760763, 49521526, 99043052, 906891871, 1813783742, 3627567484, 97037430197, 194074860394, 388149720788]

約数ペア:

[(1, 388149720788), (2, 194074860394), (4, 97037430197), (107, 3627567484), (214, 1813783742), (428, 906891871), (3919, 99043052), (7838, 49521526), (15676, 24760763), (231409, 1677332), (419333, 925636), (462818, 838666)]