28111468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{853}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 61979904

約数和(自身を除く): 33868436

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 107, 154, 214, 308, 428, 749, 853, 1177, 1498, 1706, 2354, 2996, 3412, 4708, 5971, 8239, 9383, 11942, 16478, 18766, 23884, 32956, 37532, 65681, 91271, 131362, 182542, 262724, 365084, 638897, 1003981, 1277794, 2007962, 2555588, 4015924, 7027867, 14055734, 28111468]

約数ペア:

[(1, 28111468), (2, 14055734), (4, 7027867), (7, 4015924), (11, 2555588), (14, 2007962), (22, 1277794), (28, 1003981), (44, 638897), (77, 365084), (107, 262724), (154, 182542), (214, 131362), (308, 91271), (428, 65681), (749, 37532), (853, 32956), (1177, 23884), (1498, 18766), (1706, 16478), (2354, 11942), (2996, 9383), (3412, 8239), (4708, 5971)]