2221336

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 4743360

約数和(自身を除く): 2522024

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 53, 62, 104, 106, 124, 169, 212, 248, 338, 403, 424, 676, 689, 806, 1352, 1378, 1612, 1643, 2756, 3224, 3286, 5239, 5512, 6572, 8957, 10478, 13144, 17914, 20956, 21359, 35828, 41912, 42718, 71656, 85436, 170872, 277667, 555334, 1110668, 2221336]

約数ペア:

[(1, 2221336), (2, 1110668), (4, 555334), (8, 277667), (13, 170872), (26, 85436), (31, 71656), (52, 42718), (53, 41912), (62, 35828), (104, 21359), (106, 20956), (124, 17914), (169, 13144), (212, 10478), (248, 8957), (338, 6572), (403, 5512), (424, 5239), (676, 3286), (689, 3224), (806, 2756), (1352, 1643), (1378, 1612)]