291354

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{991}}^1$

素因数の和:1010

約数の個数: 24

約数和(自身を含む): 678528

約数和(自身を除く): 387174

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 991, 1982, 2973, 5946, 6937, 13874, 20811, 41622, 48559, 97118, 145677, 291354]

約数ペア:

[(1, 291354), (2, 145677), (3, 97118), (6, 48559), (7, 41622), (14, 20811), (21, 13874), (42, 6937), (49, 5946), (98, 2973), (147, 1982), (294, 991)]