217861798

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{2207}}^1$

素因数の和:2868

約数の個数: 32

約数和(自身を含む): 408250368

約数和(自身を除く): 190388570

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 641, 1282, 2207, 4414, 4487, 7051, 8974, 14102, 15449, 24277, 30898, 48554, 49357, 98714, 169939, 339878, 1414687, 2829374, 9902809, 15561557, 19805618, 31123114, 108930899, 217861798]

約数ペア:

[(1, 217861798), (2, 108930899), (7, 31123114), (11, 19805618), (14, 15561557), (22, 9902809), (77, 2829374), (154, 1414687), (641, 339878), (1282, 169939), (2207, 98714), (4414, 49357), (4487, 48554), (7051, 30898), (8974, 24277), (14102, 15449)]