140220656

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{213751}}^1$

素因数の和:213800

約数の個数: 20

約数和(自身を含む): 278305104

約数和(自身を除く): 138084448

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 213751, 427502, 855004, 1710008, 3420016, 8763791, 17527582, 35055164, 70110328, 140220656]

約数ペア:

[(1, 140220656), (2, 70110328), (4, 35055164), (8, 17527582), (16, 8763791), (41, 3420016), (82, 1710008), (164, 855004), (328, 427502), (656, 213751)]