220149986

素因数分解:

$2^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{45317}}^1$

素因数の和:45673

約数の個数: 16

約数和(自身を含む): 378495936

約数和(自身を除く): 158345950

約数列:

[1, 2, 7, 14, 347, 694, 2429, 4858, 45317, 90634, 317219, 634438, 15724999, 31449998, 110074993, 220149986]

約数ペア:

[(1, 220149986), (2, 110074993), (7, 31449998), (14, 15724999), (347, 634438), (694, 317219), (2429, 90634), (4858, 45317)]