8169330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20947}}^1$

素因数の和:20970

約数の個数: 32

約数和(自身を含む): 21115584

約数和(自身を除く): 12946254

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20947, 41894, 62841, 104735, 125682, 209470, 272311, 314205, 544622, 628410, 816933, 1361555, 1633866, 2723110, 4084665, 8169330]

約数ペア:

[(1, 8169330), (2, 4084665), (3, 2723110), (5, 1633866), (6, 1361555), (10, 816933), (13, 628410), (15, 544622), (26, 314205), (30, 272311), (39, 209470), (65, 125682), (78, 104735), (130, 62841), (195, 41894), (390, 20947)]