28946988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 91990080

約数和(自身を除く): 63043092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 29, 34, 36, 42, 51, 58, 63, 68, 84, 87, 102, 116, 119, 126, 153, 174, 203, 204, 233, 238, 252, 261, 306, 348, 357, 406, 466, 476, 493, 522, 609, 612, 699, 714, 812, 932, 986, 1044, 1071, 1218, 1398, 1428, 1479, 1631, 1827, 1972, 2097, 2142, 2436, 2796, 2958, 3262, 3451, 3654, 3961, 4194, 4284, 4437, 4893, 5916, 6524, 6757, 6902, 7308, 7922, 8388, 8874, 9786, 10353, 11883, 13514, 13804, 14679, 15844, 17748, 19572, 20271, 20706, 23766, 27028, 27727, 29358, 31059, 35649, 40542, 41412, 47299, 47532, 55454, 58716, 60813, 62118, 71298, 81084, 83181, 94598, 110908, 114869, 121626, 124236, 141897, 142596, 166362, 189196, 229738, 243252, 249543, 283794, 332724, 344607, 425691, 459476, 499086, 567588, 689214, 804083, 851382, 998172, 1033821, 1378428, 1608166, 1702764, 2067642, 2412249, 3216332, 4135284, 4824498, 7236747, 9648996, 14473494, 28946988]

約数ペア:

[(1, 28946988), (2, 14473494), (3, 9648996), (4, 7236747), (6, 4824498), (7, 4135284), (9, 3216332), (12, 2412249), (14, 2067642), (17, 1702764), (18, 1608166), (21, 1378428), (28, 1033821), (29, 998172), (34, 851382), (36, 804083), (42, 689214), (51, 567588), (58, 499086), (63, 459476), (68, 425691), (84, 344607), (87, 332724), (102, 283794), (116, 249543), (119, 243252), (126, 229738), (153, 189196), (174, 166362), (203, 142596), (204, 141897), (233, 124236), (238, 121626), (252, 114869), (261, 110908), (306, 94598), (348, 83181), (357, 81084), (406, 71298), (466, 62118), (476, 60813), (493, 58716), (522, 55454), (609, 47532), (612, 47299), (699, 41412), (714, 40542), (812, 35649), (932, 31059), (986, 29358), (1044, 27727), (1071, 27028), (1218, 23766), (1398, 20706), (1428, 20271), (1479, 19572), (1631, 17748), (1827, 15844), (1972, 14679), (2097, 13804), (2142, 13514), (2436, 11883), (2796, 10353), (2958, 9786), (3262, 8874), (3451, 8388), (3654, 7922), (3961, 7308), (4194, 6902), (4284, 6757), (4437, 6524), (4893, 5916)]