81580898

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{457}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 144039168

約数和(自身を除く): 62458270

約数列:

[1, 2, 7, 14, 41, 82, 287, 311, 457, 574, 622, 914, 2177, 3199, 4354, 6398, 12751, 18737, 25502, 37474, 89257, 131159, 142127, 178514, 262318, 284254, 994889, 1989778, 5827207, 11654414, 40790449, 81580898]

約数ペア:

[(1, 81580898), (2, 40790449), (7, 11654414), (14, 5827207), (41, 1989778), (82, 994889), (287, 284254), (311, 262318), (457, 178514), (574, 142127), (622, 131159), (914, 89257), (2177, 37474), (3199, 25502), (4354, 18737), (6398, 12751)]