68342872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{2113}}^1$

素因数の和:2443

約数の個数: 32

約数和(自身を含む): 138509280

約数和(自身を除く): 70166408

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 311, 622, 1244, 2113, 2488, 4043, 4226, 8086, 8452, 16172, 16904, 27469, 32344, 54938, 109876, 219752, 657143, 1314286, 2628572, 5257144, 8542859, 17085718, 34171436, 68342872]

約数ペア:

[(1, 68342872), (2, 34171436), (4, 17085718), (8, 8542859), (13, 5257144), (26, 2628572), (52, 1314286), (104, 657143), (311, 219752), (622, 109876), (1244, 54938), (2113, 32344), (2488, 27469), (4043, 16904), (4226, 16172), (8086, 8452)]