28055248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 63884800

約数和(自身を除く): 35829552

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 229, 247, 248, 304, 403, 458, 494, 496, 589, 806, 916, 988, 1178, 1612, 1832, 1976, 2356, 2977, 3224, 3664, 3952, 4351, 4712, 5954, 6448, 7099, 7657, 8702, 9424, 11908, 14198, 15314, 17404, 23816, 28396, 30628, 34808, 47632, 56563, 56792, 61256, 69616, 92287, 113126, 113584, 122512, 134881, 184574, 226252, 269762, 369148, 452504, 539524, 738296, 905008, 1079048, 1476592, 1753453, 2158096, 3506906, 7013812, 14027624, 28055248]

約数ペア:

[(1, 28055248), (2, 14027624), (4, 7013812), (8, 3506906), (13, 2158096), (16, 1753453), (19, 1476592), (26, 1079048), (31, 905008), (38, 738296), (52, 539524), (62, 452504), (76, 369148), (104, 269762), (124, 226252), (152, 184574), (208, 134881), (229, 122512), (247, 113584), (248, 113126), (304, 92287), (403, 69616), (458, 61256), (494, 56792), (496, 56563), (589, 47632), (806, 34808), (916, 30628), (988, 28396), (1178, 23816), (1612, 17404), (1832, 15314), (1976, 14198), (2356, 11908), (2977, 9424), (3224, 8702), (3664, 7657), (3952, 7099), (4351, 6448), (4712, 5954)]