221570646

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{21383}}^1$

素因数の和:21556

約数の個数: 32

約数和(自身を含む): 486528768

約数和(自身を除く): 264958122

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 157, 314, 471, 942, 1727, 3454, 5181, 10362, 21383, 42766, 64149, 128298, 235213, 470426, 705639, 1411278, 3357131, 6714262, 10071393, 20142786, 36928441, 73856882, 110785323, 221570646]

約数ペア:

[(1, 221570646), (2, 110785323), (3, 73856882), (6, 36928441), (11, 20142786), (22, 10071393), (33, 6714262), (66, 3357131), (157, 1411278), (314, 705639), (471, 470426), (942, 235213), (1727, 128298), (3454, 64149), (5181, 42766), (10362, 21383)]