201271888

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{122131}}^1$

素因数の和:122242

約数の個数: 20

約数和(自身を含む): 393753568

約数和(自身を除く): 192481680

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 122131, 244262, 488524, 977048, 1954096, 12579493, 25158986, 50317972, 100635944, 201271888]

約数ペア:

[(1, 201271888), (2, 100635944), (4, 50317972), (8, 25158986), (16, 12579493), (103, 1954096), (206, 977048), (412, 488524), (824, 244262), (1648, 122131)]