28327138

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 51638400

約数和(自身を除く): 23311262

約数列:

[1, 2, 7, 14, 19, 38, 109, 133, 218, 266, 763, 977, 1526, 1954, 2071, 4142, 6839, 13678, 14497, 18563, 28994, 37126, 106493, 129941, 212986, 259882, 745451, 1490902, 2023367, 4046734, 14163569, 28327138]

約数ペア:

[(1, 28327138), (2, 14163569), (7, 4046734), (14, 2023367), (19, 1490902), (38, 745451), (109, 259882), (133, 212986), (218, 129941), (266, 106493), (763, 37126), (977, 28994), (1526, 18563), (1954, 14497), (2071, 13678), (4142, 6839)]