28506726

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 72

約数和(自身を含む): 67400424

約数和(自身を除く): 38893698

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 41, 57, 82, 107, 114, 123, 171, 214, 246, 321, 342, 361, 369, 642, 722, 738, 779, 963, 1083, 1558, 1926, 2033, 2166, 2337, 3249, 4066, 4387, 4674, 6099, 6498, 7011, 8774, 12198, 13161, 14022, 14801, 18297, 26322, 29602, 36594, 38627, 39483, 44403, 77254, 78966, 83353, 88806, 115881, 133209, 166706, 231762, 250059, 266418, 347643, 500118, 695286, 750177, 1500354, 1583707, 3167414, 4751121, 9502242, 14253363, 28506726]

約数ペア:

[(1, 28506726), (2, 14253363), (3, 9502242), (6, 4751121), (9, 3167414), (18, 1583707), (19, 1500354), (38, 750177), (41, 695286), (57, 500118), (82, 347643), (107, 266418), (114, 250059), (123, 231762), (171, 166706), (214, 133209), (246, 115881), (321, 88806), (342, 83353), (361, 78966), (369, 77254), (642, 44403), (722, 39483), (738, 38627), (779, 36594), (963, 29602), (1083, 26322), (1558, 18297), (1926, 14801), (2033, 14022), (2166, 13161), (2337, 12198), (3249, 8774), (4066, 7011), (4387, 6498), (4674, 6099)]