211480885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1583}}^1$

素因数の和:1953

約数の個数: 32

約数和(自身を含む): 317509632

約数和(自身を除く): 106028747

約数列:

[1, 5, 7, 11, 35, 55, 77, 347, 385, 1583, 1735, 2429, 3817, 7915, 11081, 12145, 17413, 19085, 26719, 55405, 87065, 121891, 133595, 549301, 609455, 2746505, 3845107, 6042311, 19225535, 30211555, 42296177, 211480885]

約数ペア:

[(1, 211480885), (5, 42296177), (7, 30211555), (11, 19225535), (35, 6042311), (55, 3845107), (77, 2746505), (347, 609455), (385, 549301), (1583, 133595), (1735, 121891), (2429, 87065), (3817, 55405), (7915, 26719), (11081, 19085), (12145, 17413)]