28991052

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 78414336

約数和(自身を除く): 49423284

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 127, 153, 204, 254, 306, 373, 381, 508, 612, 746, 762, 1119, 1143, 1492, 1524, 2159, 2238, 2286, 3357, 4318, 4476, 4572, 6341, 6477, 6714, 8636, 12682, 12954, 13428, 19023, 19431, 25364, 25908, 38046, 38862, 47371, 57069, 76092, 77724, 94742, 114138, 142113, 189484, 228276, 284226, 426339, 568452, 805307, 852678, 1610614, 1705356, 2415921, 3221228, 4831842, 7247763, 9663684, 14495526, 28991052]

約数ペア:

[(1, 28991052), (2, 14495526), (3, 9663684), (4, 7247763), (6, 4831842), (9, 3221228), (12, 2415921), (17, 1705356), (18, 1610614), (34, 852678), (36, 805307), (51, 568452), (68, 426339), (102, 284226), (127, 228276), (153, 189484), (204, 142113), (254, 114138), (306, 94742), (373, 77724), (381, 76092), (508, 57069), (612, 47371), (746, 38862), (762, 38046), (1119, 25908), (1143, 25364), (1492, 19431), (1524, 19023), (2159, 13428), (2238, 12954), (2286, 12682), (3357, 8636), (4318, 6714), (4476, 6477), (4572, 6341)]