643772254

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{4079}}^1$

素因数の和:4224

約数の個数: 32

約数和(自身を含む): 1043435520

約数和(自身を除く): 399663266

約数列:

[1, 2, 23, 46, 47, 73, 94, 146, 1081, 1679, 2162, 3358, 3431, 4079, 6862, 8158, 78913, 93817, 157826, 187634, 191713, 297767, 383426, 595534, 4409399, 6848641, 8818798, 13697282, 13995049, 27990098, 321886127, 643772254]

約数ペア:

[(1, 643772254), (2, 321886127), (23, 27990098), (46, 13995049), (47, 13697282), (73, 8818798), (94, 6848641), (146, 4409399), (1081, 595534), (1679, 383426), (2162, 297767), (3358, 191713), (3431, 187634), (4079, 157826), (6862, 93817), (8158, 78913)]