220131208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{34267}}^1$

素因数の和:34357

約数の個数: 32

約数和(自身を含む): 456449760

約数和(自身を除く): 236318552

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3212, 6424, 34267, 68534, 137068, 274136, 376937, 753874, 1507748, 2501491, 3015496, 5002982, 10005964, 20011928, 27516401, 55032802, 110065604, 220131208]

約数ペア:

[(1, 220131208), (2, 110065604), (4, 55032802), (8, 27516401), (11, 20011928), (22, 10005964), (44, 5002982), (73, 3015496), (88, 2501491), (146, 1507748), (292, 753874), (584, 376937), (803, 274136), (1606, 137068), (3212, 68534), (6424, 34267)]