28018848

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 87435936

約数和(自身を除く): 59417088

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 66, 78, 88, 96, 104, 132, 143, 156, 157, 169, 176, 208, 264, 286, 312, 314, 338, 352, 416, 429, 471, 507, 528, 572, 624, 628, 676, 858, 942, 1014, 1056, 1144, 1248, 1256, 1352, 1716, 1727, 1859, 1884, 2028, 2041, 2288, 2512, 2704, 3432, 3454, 3718, 3768, 4056, 4082, 4576, 5024, 5181, 5408, 5577, 6123, 6864, 6908, 7436, 7536, 8112, 8164, 10362, 11154, 12246, 13728, 13816, 14872, 15072, 16224, 16328, 20724, 22308, 22451, 24492, 26533, 27632, 29744, 32656, 41448, 44616, 44902, 48984, 53066, 55264, 59488, 65312, 67353, 79599, 82896, 89232, 89804, 97968, 106132, 134706, 159198, 165792, 178464, 179608, 195936, 212264, 269412, 291863, 318396, 359216, 424528, 538824, 583726, 636792, 718432, 849056, 875589, 1077648, 1167452, 1273584, 1751178, 2155296, 2334904, 2547168, 3502356, 4669808, 7004712, 9339616, 14009424, 28018848]

約数ペア:

[(1, 28018848), (2, 14009424), (3, 9339616), (4, 7004712), (6, 4669808), (8, 3502356), (11, 2547168), (12, 2334904), (13, 2155296), (16, 1751178), (22, 1273584), (24, 1167452), (26, 1077648), (32, 875589), (33, 849056), (39, 718432), (44, 636792), (48, 583726), (52, 538824), (66, 424528), (78, 359216), (88, 318396), (96, 291863), (104, 269412), (132, 212264), (143, 195936), (156, 179608), (157, 178464), (169, 165792), (176, 159198), (208, 134706), (264, 106132), (286, 97968), (312, 89804), (314, 89232), (338, 82896), (352, 79599), (416, 67353), (429, 65312), (471, 59488), (507, 55264), (528, 53066), (572, 48984), (624, 44902), (628, 44616), (676, 41448), (858, 32656), (942, 29744), (1014, 27632), (1056, 26533), (1144, 24492), (1248, 22451), (1256, 22308), (1352, 20724), (1716, 16328), (1727, 16224), (1859, 15072), (1884, 14872), (2028, 13816), (2041, 13728), (2288, 12246), (2512, 11154), (2704, 10362), (3432, 8164), (3454, 8112), (3718, 7536), (3768, 7436), (4056, 6908), (4082, 6864), (4576, 6123), (5024, 5577), (5181, 5408)]