68964688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2531}}^1$

素因数の和:2683

約数の個数: 40

約数和(自身を含む): 145053216

約数和(自身を除く): 76088528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 131, 208, 262, 524, 1048, 1703, 2096, 2531, 3406, 5062, 6812, 10124, 13624, 20248, 27248, 32903, 40496, 65806, 131612, 263224, 331561, 526448, 663122, 1326244, 2652488, 4310293, 5304976, 8620586, 17241172, 34482344, 68964688]

約数ペア:

[(1, 68964688), (2, 34482344), (4, 17241172), (8, 8620586), (13, 5304976), (16, 4310293), (26, 2652488), (52, 1326244), (104, 663122), (131, 526448), (208, 331561), (262, 263224), (524, 131612), (1048, 65806), (1703, 40496), (2096, 32903), (2531, 27248), (3406, 20248), (5062, 13624), (6812, 10124)]