81263056

素因数分解:

$2^4\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2333}}^1$

素因数の和:2659

約数の個数: 40

約数和(自身を含む): 180595584

約数和(自身を除く): 99332528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 311, 622, 1244, 2177, 2333, 2488, 4354, 4666, 4976, 8708, 9332, 16331, 17416, 18664, 32662, 34832, 37328, 65324, 130648, 261296, 725563, 1451126, 2902252, 5078941, 5804504, 10157882, 11609008, 20315764, 40631528, 81263056]

約数ペア:

[(1, 81263056), (2, 40631528), (4, 20315764), (7, 11609008), (8, 10157882), (14, 5804504), (16, 5078941), (28, 2902252), (56, 1451126), (112, 725563), (311, 261296), (622, 130648), (1244, 65324), (2177, 37328), (2333, 34832), (2488, 32662), (4354, 18664), (4666, 17416), (4976, 16331), (8708, 9332)]