28368522

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 81285120

約数和(自身を除く): 52916598

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 23, 26, 27, 39, 42, 46, 54, 63, 69, 78, 91, 117, 126, 138, 161, 182, 189, 207, 234, 251, 273, 299, 322, 351, 378, 414, 483, 502, 546, 598, 621, 702, 753, 819, 897, 966, 1242, 1449, 1506, 1638, 1757, 1794, 2093, 2259, 2457, 2691, 2898, 3263, 3514, 4186, 4347, 4518, 4914, 5271, 5382, 5773, 6279, 6526, 6777, 8073, 8694, 9789, 10542, 11546, 12558, 13554, 15813, 16146, 17319, 18837, 19578, 22841, 29367, 31626, 34638, 37674, 40411, 45682, 47439, 51957, 56511, 58734, 68523, 75049, 80822, 88101, 94878, 103914, 113022, 121233, 137046, 150098, 155871, 176202, 205569, 225147, 242466, 311742, 363699, 411138, 450294, 525343, 616707, 675441, 727398, 1050686, 1091097, 1233414, 1350882, 1576029, 2026323, 2182194, 3152058, 4052646, 4728087, 9456174, 14184261, 28368522]

約数ペア:

[(1, 28368522), (2, 14184261), (3, 9456174), (6, 4728087), (7, 4052646), (9, 3152058), (13, 2182194), (14, 2026323), (18, 1576029), (21, 1350882), (23, 1233414), (26, 1091097), (27, 1050686), (39, 727398), (42, 675441), (46, 616707), (54, 525343), (63, 450294), (69, 411138), (78, 363699), (91, 311742), (117, 242466), (126, 225147), (138, 205569), (161, 176202), (182, 155871), (189, 150098), (207, 137046), (234, 121233), (251, 113022), (273, 103914), (299, 94878), (322, 88101), (351, 80822), (378, 75049), (414, 68523), (483, 58734), (502, 56511), (546, 51957), (598, 47439), (621, 45682), (702, 40411), (753, 37674), (819, 34638), (897, 31626), (966, 29367), (1242, 22841), (1449, 19578), (1506, 18837), (1638, 17319), (1757, 16146), (1794, 15813), (2093, 13554), (2259, 12558), (2457, 11546), (2691, 10542), (2898, 9789), (3263, 8694), (3514, 8073), (4186, 6777), (4347, 6526), (4518, 6279), (4914, 5773), (5271, 5382)]