28657068

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3559}}^1$

素因数の和:3638

約数の個数: 48

約数和(自身を含む): 74161920

約数和(自身を除く): 45504852

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 61, 66, 122, 132, 183, 244, 366, 671, 732, 1342, 2013, 2684, 3559, 4026, 7118, 8052, 10677, 14236, 21354, 39149, 42708, 78298, 117447, 156596, 217099, 234894, 434198, 469788, 651297, 868396, 1302594, 2388089, 2605188, 4776178, 7164267, 9552356, 14328534, 28657068]

約数ペア:

[(1, 28657068), (2, 14328534), (3, 9552356), (4, 7164267), (6, 4776178), (11, 2605188), (12, 2388089), (22, 1302594), (33, 868396), (44, 651297), (61, 469788), (66, 434198), (122, 234894), (132, 217099), (183, 156596), (244, 117447), (366, 78298), (671, 42708), (732, 39149), (1342, 21354), (2013, 14236), (2684, 10677), (3559, 8052), (4026, 7118)]