28807724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2027}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 61326720

約数和(自身を除く): 32518996

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 2027, 3553, 4054, 7106, 8108, 14212, 22297, 34459, 38513, 44594, 68918, 77026, 89188, 137836, 154052, 379049, 423643, 654721, 758098, 847286, 1309442, 1516196, 1694572, 2618884, 7201931, 14403862, 28807724]

約数ペア:

[(1, 28807724), (2, 14403862), (4, 7201931), (11, 2618884), (17, 1694572), (19, 1516196), (22, 1309442), (34, 847286), (38, 758098), (44, 654721), (68, 423643), (76, 379049), (187, 154052), (209, 137836), (323, 89188), (374, 77026), (418, 68918), (646, 44594), (748, 38513), (836, 34459), (1292, 22297), (2027, 14212), (3553, 8108), (4054, 7106)]