81113992

素因数分解:

$2^3\times {\mathrm{199}}^1\times {\mathrm{50951}}^1$

素因数の和:51156

約数の個数: 16

約数和(自身を含む): 152856000

約数和(自身を除く): 71742008

約数列:

[1, 2, 4, 8, 199, 398, 796, 1592, 50951, 101902, 203804, 407608, 10139249, 20278498, 40556996, 81113992]

約数ペア:

[(1, 81113992), (2, 40556996), (4, 20278498), (8, 10139249), (199, 407608), (398, 203804), (796, 101902), (1592, 50951)]