68306888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21187}}^1$

素因数の和:21237

約数の個数: 32

約数和(自身を含む): 142383360

約数和(自身を除く): 74076472

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 21187, 42374, 84748, 169496, 275431, 550862, 656797, 1101724, 1313594, 2203448, 2627188, 5254376, 8538361, 17076722, 34153444, 68306888]

約数ペア:

[(1, 68306888), (2, 34153444), (4, 17076722), (8, 8538361), (13, 5254376), (26, 2627188), (31, 2203448), (52, 1313594), (62, 1101724), (104, 656797), (124, 550862), (248, 275431), (403, 169496), (806, 84748), (1612, 42374), (3224, 21187)]