12956656

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{19751}}^1$

素因数の和:19800

約数の個数: 20

約数和(自身を含む): 25717104

約数和(自身を除く): 12760448

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 19751, 39502, 79004, 158008, 316016, 809791, 1619582, 3239164, 6478328, 12956656]

約数ペア:

[(1, 12956656), (2, 6478328), (4, 3239164), (8, 1619582), (16, 809791), (41, 316016), (82, 158008), (164, 79004), (328, 39502), (656, 19751)]