81648322

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{41957}}^1$

素因数の和:42105

約数の個数: 16

約数和(自身を含む): 140978880

約数和(自身を除く): 59330558

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 41957, 83914, 293699, 587398, 5832023, 11664046, 40824161, 81648322]

約数ペア:

[(1, 81648322), (2, 40824161), (7, 11664046), (14, 5832023), (139, 587398), (278, 293699), (973, 83914), (1946, 41957)]