66806896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{321187}}^1$

素因数の和:321208

約数の個数: 20

約数和(自身を含む): 139395592

約数和(自身を除く): 72588696

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 321187, 642374, 1284748, 2569496, 4175431, 5138992, 8350862, 16701724, 33403448, 66806896]

約数ペア:

[(1, 66806896), (2, 33403448), (4, 16701724), (8, 8350862), (13, 5138992), (16, 4175431), (26, 2569496), (52, 1284748), (104, 642374), (208, 321187)]