15721144

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2059

約数の個数: 32

約数和(自身を含む): 31489920

約数和(自身を除く): 15768776

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 1987, 3956, 3974, 7912, 7948, 15896, 45701, 85441, 91402, 170882, 182804, 341764, 365608, 683528, 1965143, 3930286, 7860572, 15721144]

約数ペア:

[(1, 15721144), (2, 7860572), (4, 3930286), (8, 1965143), (23, 683528), (43, 365608), (46, 341764), (86, 182804), (92, 170882), (172, 91402), (184, 85441), (344, 45701), (989, 15896), (1978, 7948), (1987, 7912), (3956, 3974)]