13221376

素因数分解:

$2^9\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 120

約数和(自身を含む): 33587136

約数和(自身を除く): 20365760

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 49, 56, 62, 64, 68, 98, 112, 119, 124, 128, 136, 196, 217, 224, 238, 248, 256, 272, 392, 434, 448, 476, 496, 512, 527, 544, 784, 833, 868, 896, 952, 992, 1054, 1088, 1519, 1568, 1666, 1736, 1792, 1904, 1984, 2108, 2176, 3038, 3136, 3332, 3472, 3584, 3689, 3808, 3968, 4216, 4352, 6076, 6272, 6664, 6944, 7378, 7616, 7936, 8432, 8704, 12152, 12544, 13328, 13888, 14756, 15232, 15872, 16864, 24304, 25088, 25823, 26656, 27776, 29512, 30464, 33728, 48608, 51646, 53312, 55552, 59024, 60928, 67456, 97216, 103292, 106624, 111104, 118048, 134912, 194432, 206584, 213248, 236096, 269824, 388864, 413168, 426496, 472192, 777728, 826336, 944384, 1652672, 1888768, 3305344, 6610688, 13221376]

約数ペア:

[(1, 13221376), (2, 6610688), (4, 3305344), (7, 1888768), (8, 1652672), (14, 944384), (16, 826336), (17, 777728), (28, 472192), (31, 426496), (32, 413168), (34, 388864), (49, 269824), (56, 236096), (62, 213248), (64, 206584), (68, 194432), (98, 134912), (112, 118048), (119, 111104), (124, 106624), (128, 103292), (136, 97216), (196, 67456), (217, 60928), (224, 59024), (238, 55552), (248, 53312), (256, 51646), (272, 48608), (392, 33728), (434, 30464), (448, 29512), (476, 27776), (496, 26656), (512, 25823), (527, 25088), (544, 24304), (784, 16864), (833, 15872), (868, 15232), (896, 14756), (952, 13888), (992, 13328), (1054, 12544), (1088, 12152), (1519, 8704), (1568, 8432), (1666, 7936), (1736, 7616), (1792, 7378), (1904, 6944), (1984, 6664), (2108, 6272), (2176, 6076), (3038, 4352), (3136, 4216), (3332, 3968), (3472, 3808), (3584, 3689)]