389540826

素因数分解:

$2^1\times 3^4\times {\mathrm{563}}^1\times {\mathrm{4271}}^1$

素因数の和:4848

約数の個数: 40

約数和(自身を含む): 874615104

約数和(自身を除く): 485074278

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 563, 1126, 1689, 3378, 4271, 5067, 8542, 10134, 12813, 15201, 25626, 30402, 38439, 45603, 76878, 91206, 115317, 230634, 345951, 691902, 2404573, 4809146, 7213719, 14427438, 21641157, 43282314, 64923471, 129846942, 194770413, 389540826]

約数ペア:

[(1, 389540826), (2, 194770413), (3, 129846942), (6, 64923471), (9, 43282314), (18, 21641157), (27, 14427438), (54, 7213719), (81, 4809146), (162, 2404573), (563, 691902), (1126, 345951), (1689, 230634), (3378, 115317), (4271, 91206), (5067, 76878), (8542, 45603), (10134, 38439), (12813, 30402), (15201, 25626)]