87971888

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{53381}}^1$

素因数の和:53492

約数の個数: 20

約数和(自身を含む): 172103568

約数和(自身を除く): 84131680

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 53381, 106762, 213524, 427048, 854096, 5498243, 10996486, 21992972, 43985944, 87971888]

約数ペア:

[(1, 87971888), (2, 43985944), (4, 21992972), (8, 10996486), (16, 5498243), (103, 854096), (206, 427048), (412, 213524), (824, 106762), (1648, 53381)]