2157974

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 4064256

約数和(自身を除く): 1906282

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 167, 182, 334, 497, 923, 994, 1169, 1846, 2171, 2338, 4342, 6461, 11857, 12922, 15197, 23714, 30394, 82999, 154141, 165998, 308282, 1078987, 2157974]

約数ペア:

[(1, 2157974), (2, 1078987), (7, 308282), (13, 165998), (14, 154141), (26, 82999), (71, 30394), (91, 23714), (142, 15197), (167, 12922), (182, 11857), (334, 6461), (497, 4342), (923, 2338), (994, 2171), (1169, 1846)]