8778278

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{991}}^1$

素因数の和:1139

約数の個数: 16

約数和(自身を含む): 13618176

約数和(自身を除く): 4839898

約数列:

[1, 2, 43, 86, 103, 206, 991, 1982, 4429, 8858, 42613, 85226, 102073, 204146, 4389139, 8778278]

約数ペア:

[(1, 8778278), (2, 4389139), (43, 204146), (86, 102073), (103, 85226), (206, 42613), (991, 8858), (1982, 4429)]