31708138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2122

約数の個数: 32

約数和(自身を含む): 59904000

約数和(自身を除く): 28195862

約数列:

[1, 2, 7, 11, 14, 22, 77, 103, 154, 206, 721, 1133, 1442, 1999, 2266, 3998, 7931, 13993, 15862, 21989, 27986, 43978, 153923, 205897, 307846, 411794, 1441279, 2264867, 2882558, 4529734, 15854069, 31708138]

約数ペア:

[(1, 31708138), (2, 15854069), (7, 4529734), (11, 2882558), (14, 2264867), (22, 1441279), (77, 411794), (103, 307846), (154, 205897), (206, 153923), (721, 43978), (1133, 27986), (1442, 21989), (1999, 15862), (2266, 13993), (3998, 7931)]