208675712

素因数分解:

$2^7\times 7^5\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 96

約数和(自身を含む): 490003920

約数和(自身を除く): 281328208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 97, 98, 112, 128, 194, 196, 224, 343, 388, 392, 448, 679, 686, 776, 784, 896, 1358, 1372, 1552, 1568, 2401, 2716, 2744, 3104, 3136, 4753, 4802, 5432, 5488, 6208, 6272, 9506, 9604, 10864, 10976, 12416, 16807, 19012, 19208, 21728, 21952, 33271, 33614, 38024, 38416, 43456, 43904, 66542, 67228, 76048, 76832, 86912, 133084, 134456, 152096, 153664, 232897, 266168, 268912, 304192, 307328, 465794, 532336, 537824, 608384, 931588, 1064672, 1075648, 1630279, 1863176, 2129344, 2151296, 3260558, 3726352, 4258688, 6521116, 7452704, 13042232, 14905408, 26084464, 29810816, 52168928, 104337856, 208675712]

約数ペア:

[(1, 208675712), (2, 104337856), (4, 52168928), (7, 29810816), (8, 26084464), (14, 14905408), (16, 13042232), (28, 7452704), (32, 6521116), (49, 4258688), (56, 3726352), (64, 3260558), (97, 2151296), (98, 2129344), (112, 1863176), (128, 1630279), (194, 1075648), (196, 1064672), (224, 931588), (343, 608384), (388, 537824), (392, 532336), (448, 465794), (679, 307328), (686, 304192), (776, 268912), (784, 266168), (896, 232897), (1358, 153664), (1372, 152096), (1552, 134456), (1568, 133084), (2401, 86912), (2716, 76832), (2744, 76048), (3104, 67228), (3136, 66542), (4753, 43904), (4802, 43456), (5432, 38416), (5488, 38024), (6208, 33614), (6272, 33271), (9506, 21952), (9604, 21728), (10864, 19208), (10976, 19012), (12416, 16807)]