81348008

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13327}}^1$

素因数の和:13449

約数の個数: 32

約数和(自身を含む): 175929600

約数和(自身を除く): 94581592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 6104, 13327, 26654, 53308, 93289, 106616, 186578, 373156, 746312, 1452643, 2905286, 5810572, 10168501, 11621144, 20337002, 40674004, 81348008]

約数ペア:

[(1, 81348008), (2, 40674004), (4, 20337002), (7, 11621144), (8, 10168501), (14, 5810572), (28, 2905286), (56, 1452643), (109, 746312), (218, 373156), (436, 186578), (763, 106616), (872, 93289), (1526, 53308), (3052, 26654), (6104, 13327)]