78741698

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2141}}^1$

素因数の和:2258

約数の個数: 32

約数和(自身を含む): 140652288

約数和(自身を除く): 61910590

約数列:

[1, 2, 7, 14, 37, 71, 74, 142, 259, 497, 518, 994, 2141, 2627, 4282, 5254, 14987, 18389, 29974, 36778, 79217, 152011, 158434, 304022, 554519, 1064077, 1109038, 2128154, 5624407, 11248814, 39370849, 78741698]

約数ペア:

[(1, 78741698), (2, 39370849), (7, 11248814), (14, 5624407), (37, 2128154), (71, 1109038), (74, 1064077), (142, 554519), (259, 304022), (497, 158434), (518, 152011), (994, 79217), (2141, 36778), (2627, 29974), (4282, 18389), (5254, 14987)]