68404310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2671}}^1$

素因数の和:2888

約数の個数: 32

約数和(自身を含む): 133322112

約数和(自身を除く): 64917802

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1970, 2561, 2671, 5122, 5342, 12805, 13355, 25610, 26710, 34723, 69446, 173615, 347230, 526187, 1052374, 2630935, 5261870, 6840431, 13680862, 34202155, 68404310]

約数ペア:

[(1, 68404310), (2, 34202155), (5, 13680862), (10, 6840431), (13, 5261870), (26, 2630935), (65, 1052374), (130, 526187), (197, 347230), (394, 173615), (985, 69446), (1970, 34723), (2561, 26710), (2671, 25610), (5122, 13355), (5342, 12805)]