218204188

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:434

約数の個数: 36

約数和(自身を含む): 395515848

約数和(自身を除く): 177311660

約数列:

[1, 2, 4, 43, 86, 163, 172, 181, 326, 362, 652, 724, 1849, 3698, 7009, 7396, 7783, 14018, 15566, 28036, 29503, 31132, 59006, 118012, 301387, 334669, 602774, 669338, 1205548, 1268629, 1338676, 2537258, 5074516, 54551047, 109102094, 218204188]

約数ペア:

[(1, 218204188), (2, 109102094), (4, 54551047), (43, 5074516), (86, 2537258), (163, 1338676), (172, 1268629), (181, 1205548), (326, 669338), (362, 602774), (652, 334669), (724, 301387), (1849, 118012), (3698, 59006), (7009, 31132), (7396, 29503), (7783, 28036), (14018, 15566)]