213267712

素因数分解:

$2^8\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1951}}^1$

素因数の和:2035

約数の個数: 72

約数和(自身を含む): 494746112

約数和(自身を除く): 281478400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 427, 448, 488, 854, 896, 976, 1708, 1792, 1951, 1952, 3416, 3902, 3904, 6832, 7804, 7808, 13657, 13664, 15608, 15616, 27314, 27328, 31216, 54628, 54656, 62432, 109256, 109312, 119011, 124864, 218512, 238022, 249728, 437024, 476044, 499456, 833077, 874048, 952088, 1666154, 1748096, 1904176, 3332308, 3496192, 3808352, 6664616, 7616704, 13329232, 15233408, 26658464, 30466816, 53316928, 106633856, 213267712]

約数ペア:

[(1, 213267712), (2, 106633856), (4, 53316928), (7, 30466816), (8, 26658464), (14, 15233408), (16, 13329232), (28, 7616704), (32, 6664616), (56, 3808352), (61, 3496192), (64, 3332308), (112, 1904176), (122, 1748096), (128, 1666154), (224, 952088), (244, 874048), (256, 833077), (427, 499456), (448, 476044), (488, 437024), (854, 249728), (896, 238022), (976, 218512), (1708, 124864), (1792, 119011), (1951, 109312), (1952, 109256), (3416, 62432), (3902, 54656), (3904, 54628), (6832, 31216), (7804, 27328), (7808, 27314), (13657, 15616), (13664, 15608)]