28940724

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1459}}^1$

素因数の和:1517

約数の個数: 72

約数和(自身を含む): 79716000

約数和(自身を除く): 50775276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1044, 1102, 1459, 1653, 2204, 2918, 3306, 4377, 4959, 5836, 6612, 8754, 9918, 13131, 17508, 19836, 26262, 27721, 42311, 52524, 55442, 83163, 84622, 110884, 126933, 166326, 169244, 249489, 253866, 332652, 380799, 498978, 507732, 761598, 803909, 997956, 1523196, 1607818, 2411727, 3215636, 4823454, 7235181, 9646908, 14470362, 28940724]

約数ペア:

[(1, 28940724), (2, 14470362), (3, 9646908), (4, 7235181), (6, 4823454), (9, 3215636), (12, 2411727), (18, 1607818), (19, 1523196), (29, 997956), (36, 803909), (38, 761598), (57, 507732), (58, 498978), (76, 380799), (87, 332652), (114, 253866), (116, 249489), (171, 169244), (174, 166326), (228, 126933), (261, 110884), (342, 84622), (348, 83163), (522, 55442), (551, 52524), (684, 42311), (1044, 27721), (1102, 26262), (1459, 19836), (1653, 17508), (2204, 13131), (2918, 9918), (3306, 8754), (4377, 6612), (4959, 5836)]