289997264

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{442069}}^1$

素因数の和:442118

約数の個数: 20

約数和(自身を含む): 575575140

約数和(自身を除く): 285577876

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 442069, 884138, 1768276, 3536552, 7073104, 18124829, 36249658, 72499316, 144998632, 289997264]

約数ペア:

[(1, 289997264), (2, 144998632), (4, 72499316), (8, 36249658), (16, 18124829), (41, 7073104), (82, 3536552), (164, 1768276), (328, 884138), (656, 442069)]