28788004

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 61471872

約数和(自身を除く): 32683868

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 197, 238, 307, 394, 476, 614, 788, 1228, 1379, 2149, 2758, 3349, 4298, 5219, 5516, 6698, 8596, 10438, 13396, 20876, 23443, 36533, 46886, 60479, 73066, 93772, 120958, 146132, 241916, 423353, 846706, 1028143, 1693412, 2056286, 4112572, 7197001, 14394002, 28788004]

約数ペア:

[(1, 28788004), (2, 14394002), (4, 7197001), (7, 4112572), (14, 2056286), (17, 1693412), (28, 1028143), (34, 846706), (68, 423353), (119, 241916), (197, 146132), (238, 120958), (307, 93772), (394, 73066), (476, 60479), (614, 46886), (788, 36533), (1228, 23443), (1379, 20876), (2149, 13396), (2758, 10438), (3349, 8596), (4298, 6698), (5219, 5516)]