156636865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{971}}^1$

素因数の和:1413

約数の個数: 32

約数和(自身を含む): 235146240

約数和(自身を除く): 78509375

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 419, 971, 2095, 2933, 4609, 4855, 6797, 10681, 14665, 23045, 32263, 33985, 53405, 74767, 161315, 373835, 406849, 2034245, 2847943, 4475339, 14239715, 22376695, 31327373, 156636865]

約数ペア:

[(1, 156636865), (5, 31327373), (7, 22376695), (11, 14239715), (35, 4475339), (55, 2847943), (77, 2034245), (385, 406849), (419, 373835), (971, 161315), (2095, 74767), (2933, 53405), (4609, 33985), (4855, 32263), (6797, 23045), (10681, 14665)]