388794402

素因数分解:

$2^1\times 3^2\times {\mathrm{821}}^1\times {\mathrm{26309}}^1$

素因数の和:27138

約数の個数: 24

約数和(自身を含む): 843445980

約数和(自身を除く): 454651578

約数列:

[1, 2, 3, 6, 9, 18, 821, 1642, 2463, 4926, 7389, 14778, 26309, 52618, 78927, 157854, 236781, 473562, 21599689, 43199378, 64799067, 129598134, 194397201, 388794402]

約数ペア:

[(1, 388794402), (2, 194397201), (3, 129598134), (6, 64799067), (9, 43199378), (18, 21599689), (821, 473562), (1642, 236781), (2463, 157854), (4926, 78927), (7389, 52618), (14778, 26309)]