1678866

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 3898368

約数和(自身を除く): 2219502

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 563, 994, 1126, 1491, 1689, 2982, 3378, 3941, 7882, 11823, 23646, 39973, 79946, 119919, 239838, 279811, 559622, 839433, 1678866]

約数ペア:

[(1, 1678866), (2, 839433), (3, 559622), (6, 279811), (7, 239838), (14, 119919), (21, 79946), (42, 39973), (71, 23646), (142, 11823), (213, 7882), (426, 3941), (497, 3378), (563, 2982), (994, 1689), (1126, 1491)]