1279689976

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{195791}}^1$

素因数の和:195859

約数の個数: 32

約数和(自身を含む): 2584454400

約数和(自身を除く): 1304764424

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 6536, 195791, 391582, 783164, 1566328, 3720029, 7440058, 8419013, 14880116, 16838026, 29760232, 33676052, 67352104, 159961247, 319922494, 639844988, 1279689976]

約数ペア:

[(1, 1279689976), (2, 639844988), (4, 319922494), (8, 159961247), (19, 67352104), (38, 33676052), (43, 29760232), (76, 16838026), (86, 14880116), (152, 8419013), (172, 7440058), (344, 3720029), (817, 1566328), (1634, 783164), (3268, 391582), (6536, 195791)]