12689816

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 25029840

約数和(自身を除く): 12340024

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 997, 1591, 1994, 3182, 3988, 6364, 7976, 12728, 36889, 42871, 73778, 85742, 147556, 171484, 295112, 342968, 1586227, 3172454, 6344908, 12689816]

約数ペア:

[(1, 12689816), (2, 6344908), (4, 3172454), (8, 1586227), (37, 342968), (43, 295112), (74, 171484), (86, 147556), (148, 85742), (172, 73778), (296, 42871), (344, 36889), (997, 12728), (1591, 7976), (1994, 6364), (3182, 3988)]