28639764

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:870

約数の個数: 96

約数和(自身を含む): 82857600

約数和(自身を除く): 54217836

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 51, 54, 57, 68, 76, 102, 108, 114, 153, 171, 204, 228, 306, 323, 342, 459, 513, 612, 646, 684, 821, 918, 969, 1026, 1292, 1642, 1836, 1938, 2052, 2463, 2907, 3284, 3876, 4926, 5814, 7389, 8721, 9852, 11628, 13957, 14778, 15599, 17442, 22167, 27914, 29556, 31198, 34884, 41871, 44334, 46797, 55828, 62396, 83742, 88668, 93594, 125613, 140391, 167484, 187188, 251226, 265183, 280782, 376839, 421173, 502452, 530366, 561564, 753678, 795549, 842346, 1060732, 1507356, 1591098, 1684692, 2386647, 3182196, 4773294, 7159941, 9546588, 14319882, 28639764]

約数ペア:

[(1, 28639764), (2, 14319882), (3, 9546588), (4, 7159941), (6, 4773294), (9, 3182196), (12, 2386647), (17, 1684692), (18, 1591098), (19, 1507356), (27, 1060732), (34, 842346), (36, 795549), (38, 753678), (51, 561564), (54, 530366), (57, 502452), (68, 421173), (76, 376839), (102, 280782), (108, 265183), (114, 251226), (153, 187188), (171, 167484), (204, 140391), (228, 125613), (306, 93594), (323, 88668), (342, 83742), (459, 62396), (513, 55828), (612, 46797), (646, 44334), (684, 41871), (821, 34884), (918, 31198), (969, 29556), (1026, 27914), (1292, 22167), (1642, 17442), (1836, 15599), (1938, 14778), (2052, 13957), (2463, 11628), (2907, 9852), (3284, 8721), (3876, 7389), (4926, 5814)]