221797016

素因数分解:

$2^3\times 7^1\times {\mathrm{541}}^1\times {\mathrm{7321}}^1$

素因数の和:7875

約数の個数: 32

約数和(自身を含む): 476222880

約数和(自身を除く): 254425864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 541, 1082, 2164, 3787, 4328, 7321, 7574, 14642, 15148, 29284, 30296, 51247, 58568, 102494, 204988, 409976, 3960661, 7921322, 15842644, 27724627, 31685288, 55449254, 110898508, 221797016]

約数ペア:

[(1, 221797016), (2, 110898508), (4, 55449254), (7, 31685288), (8, 27724627), (14, 15842644), (28, 7921322), (56, 3960661), (541, 409976), (1082, 204988), (2164, 102494), (3787, 58568), (4328, 51247), (7321, 30296), (7574, 29284), (14642, 15148)]