28780864

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3779}}^1$

素因数の和:3815

約数の個数: 56

約数和(自身を含む): 69128640

約数和(自身を除く): 40347776

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 224, 238, 272, 448, 476, 544, 952, 1088, 1904, 3779, 3808, 7558, 7616, 15116, 26453, 30232, 52906, 60464, 64243, 105812, 120928, 128486, 211624, 241856, 256972, 423248, 449701, 513944, 846496, 899402, 1027888, 1692992, 1798804, 2055776, 3597608, 4111552, 7195216, 14390432, 28780864]

約数ペア:

[(1, 28780864), (2, 14390432), (4, 7195216), (7, 4111552), (8, 3597608), (14, 2055776), (16, 1798804), (17, 1692992), (28, 1027888), (32, 899402), (34, 846496), (56, 513944), (64, 449701), (68, 423248), (112, 256972), (119, 241856), (136, 211624), (224, 128486), (238, 120928), (272, 105812), (448, 64243), (476, 60464), (544, 52906), (952, 30232), (1088, 26453), (1904, 15116), (3779, 7616), (3808, 7558)]