280546196

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{213181}}^1$

素因数の和:213239

約数の個数: 24

約数和(自身を含む): 573033216

約数和(自身を除く): 292487020

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 213181, 426362, 852724, 1492267, 2984534, 5969068, 10019507, 20039014, 40078028, 70136549, 140273098, 280546196]

約数ペア:

[(1, 280546196), (2, 140273098), (4, 70136549), (7, 40078028), (14, 20039014), (28, 10019507), (47, 5969068), (94, 2984534), (188, 1492267), (329, 852724), (658, 426362), (1316, 213181)]