128460872

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{857}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 247567320

約数和(自身を除く): 119106448

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 457, 857, 914, 1714, 1828, 3428, 3656, 6856, 18737, 35137, 37474, 70274, 74948, 140548, 149896, 281096, 391649, 783298, 1566596, 3133192, 16057609, 32115218, 64230436, 128460872]

約数ペア:

[(1, 128460872), (2, 64230436), (4, 32115218), (8, 16057609), (41, 3133192), (82, 1566596), (164, 783298), (328, 391649), (457, 281096), (857, 149896), (914, 140548), (1714, 74948), (1828, 70274), (3428, 37474), (3656, 35137), (6856, 18737)]