220645601

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 279946368

約数和(自身を除く): 59300767

約数列:

[1, 11, 17, 23, 29, 61, 187, 253, 319, 391, 493, 667, 671, 841, 1037, 1403, 1769, 4301, 5423, 7337, 9251, 11339, 11407, 14297, 15433, 19343, 19459, 23851, 30073, 40687, 51301, 124729, 157267, 212773, 262361, 328831, 330803, 447557, 564311, 691679, 872117, 1179923, 3617141, 7608469, 9593287, 12979153, 20058691, 220645601]

約数ペア:

[(1, 220645601), (11, 20058691), (17, 12979153), (23, 9593287), (29, 7608469), (61, 3617141), (187, 1179923), (253, 872117), (319, 691679), (391, 564311), (493, 447557), (667, 330803), (671, 328831), (841, 262361), (1037, 212773), (1403, 157267), (1769, 124729), (4301, 51301), (5423, 40687), (7337, 30073), (9251, 23851), (11339, 19459), (11407, 19343), (14297, 15433)]