81309728

素因数分解:

$2^5\times {\mathrm{107}}^1\times {\mathrm{23747}}^1$

素因数の和:23864

約数の個数: 24

約数和(自身を含む): 161581392

約数和(自身を除く): 80271664

約数列:

[1, 2, 4, 8, 16, 32, 107, 214, 428, 856, 1712, 3424, 23747, 47494, 94988, 189976, 379952, 759904, 2540929, 5081858, 10163716, 20327432, 40654864, 81309728]

約数ペア:

[(1, 81309728), (2, 40654864), (4, 20327432), (8, 10163716), (16, 5081858), (32, 2540929), (107, 759904), (214, 379952), (428, 189976), (856, 94988), (1712, 47494), (3424, 23747)]