12172390

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2711}}^1$

素因数の和:3167

約数の個数: 16

約数和(自身を含む): 21967200

約数和(自身を除く): 9794810

約数列:

[1, 2, 5, 10, 449, 898, 2245, 2711, 4490, 5422, 13555, 27110, 1217239, 2434478, 6086195, 12172390]

約数ペア:

[(1, 12172390), (2, 6086195), (5, 2434478), (10, 1217239), (449, 27110), (898, 13555), (2245, 5422), (2711, 4490)]