201663988

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{317}}^1\times {\mathrm{1013}}^1$

素因数の和:1491

約数の個数: 24

約数和(自身を含む): 356631912

約数和(自身を除く): 154967924

約数列:

[1, 2, 4, 157, 314, 317, 628, 634, 1013, 1268, 2026, 4052, 49769, 99538, 159041, 199076, 318082, 321121, 636164, 642242, 1284484, 50415997, 100831994, 201663988]

約数ペア:

[(1, 201663988), (2, 100831994), (4, 50415997), (157, 1284484), (314, 642242), (317, 636164), (628, 321121), (634, 318082), (1013, 199076), (1268, 159041), (2026, 99538), (4052, 49769)]