87219505

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{1061}}^1$

素因数の和:1508

約数の個数: 16

約数和(自身を含む): 107584848

約数和(自身を除く): 20365343

約数列:

[1, 5, 41, 205, 401, 1061, 2005, 5305, 16441, 43501, 82205, 217505, 425461, 2127305, 17443901, 87219505]

約数ペア:

[(1, 87219505), (5, 17443901), (41, 2127305), (205, 425461), (401, 217505), (1061, 82205), (2005, 43501), (5305, 16441)]