405377072

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{478039}}^1$

素因数の和:478100

約数の個数: 20

約数和(自身を含む): 800238960

約数和(自身を除く): 394861888

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 478039, 956078, 1912156, 3824312, 7648624, 25336067, 50672134, 101344268, 202688536, 405377072]

約数ペア:

[(1, 405377072), (2, 202688536), (4, 101344268), (8, 50672134), (16, 25336067), (53, 7648624), (106, 3824312), (212, 1912156), (424, 956078), (848, 478039)]