1991231176

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{797}}^1$

素因数の和:943

約数の個数: 96

約数和(自身を含む): 4298427000

約数和(自身を除く): 2307195824

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 89, 116, 121, 178, 232, 242, 319, 356, 484, 638, 712, 797, 968, 979, 1276, 1594, 1958, 2552, 2581, 3188, 3509, 3916, 5162, 6376, 7018, 7832, 8767, 10324, 10769, 14036, 17534, 20648, 21538, 23113, 28072, 28391, 35068, 43076, 46226, 56782, 70136, 70933, 86152, 92452, 96437, 113564, 141866, 184904, 192874, 227128, 254243, 283732, 312301, 385748, 508486, 567464, 624602, 771496, 780263, 1016972, 1249204, 1560526, 2033944, 2057057, 2498408, 2796673, 3121052, 4114114, 5593346, 6242104, 8228228, 8582893, 11186692, 16456456, 17165786, 22373384, 22627627, 34331572, 45255254, 68663144, 90510508, 181021016, 248903897, 497807794, 995615588, 1991231176]

約数ペア:

[(1, 1991231176), (2, 995615588), (4, 497807794), (8, 248903897), (11, 181021016), (22, 90510508), (29, 68663144), (44, 45255254), (58, 34331572), (88, 22627627), (89, 22373384), (116, 17165786), (121, 16456456), (178, 11186692), (232, 8582893), (242, 8228228), (319, 6242104), (356, 5593346), (484, 4114114), (638, 3121052), (712, 2796673), (797, 2498408), (968, 2057057), (979, 2033944), (1276, 1560526), (1594, 1249204), (1958, 1016972), (2552, 780263), (2581, 771496), (3188, 624602), (3509, 567464), (3916, 508486), (5162, 385748), (6376, 312301), (7018, 283732), (7832, 254243), (8767, 227128), (10324, 192874), (10769, 184904), (14036, 141866), (17534, 113564), (20648, 96437), (21538, 92452), (23113, 86152), (28072, 70933), (28391, 70136), (35068, 56782), (43076, 46226)]