212678310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{545329}}^1$

素因数の和:545352

約数の個数: 32

約数和(自身を含む): 549692640

約数和(自身を除く): 337014330

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 545329, 1090658, 1635987, 2726645, 3271974, 5453290, 7089277, 8179935, 14178554, 16359870, 21267831, 35446385, 42535662, 70892770, 106339155, 212678310]

約数ペア:

[(1, 212678310), (2, 106339155), (3, 70892770), (5, 42535662), (6, 35446385), (10, 21267831), (13, 16359870), (15, 14178554), (26, 8179935), (30, 7089277), (39, 5453290), (65, 3271974), (78, 2726645), (130, 1635987), (195, 1090658), (390, 545329)]