31231984

素因数分解:

$2^4\times 7^1\times {\mathrm{431}}^1\times {\mathrm{647}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 69424128

約数和(自身を除く): 38192144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 431, 647, 862, 1294, 1724, 2588, 3017, 3448, 4529, 5176, 6034, 6896, 9058, 10352, 12068, 18116, 24136, 36232, 48272, 72464, 278857, 557714, 1115428, 1951999, 2230856, 3903998, 4461712, 7807996, 15615992, 31231984]

約数ペア:

[(1, 31231984), (2, 15615992), (4, 7807996), (7, 4461712), (8, 3903998), (14, 2230856), (16, 1951999), (28, 1115428), (56, 557714), (112, 278857), (431, 72464), (647, 48272), (862, 36232), (1294, 24136), (1724, 18116), (2588, 12068), (3017, 10352), (3448, 9058), (4529, 6896), (5176, 6034)]