28217672

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 63037440

約数和(自身を除く): 34819768

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 71, 94, 142, 151, 188, 284, 302, 329, 376, 497, 568, 604, 658, 994, 1057, 1208, 1316, 1988, 2114, 2632, 3337, 3976, 4228, 6674, 7097, 8456, 10721, 13348, 14194, 21442, 23359, 26696, 28388, 42884, 46718, 49679, 56776, 75047, 85768, 93436, 99358, 150094, 186872, 198716, 300188, 397432, 503887, 600376, 1007774, 2015548, 3527209, 4031096, 7054418, 14108836, 28217672]

約数ペア:

[(1, 28217672), (2, 14108836), (4, 7054418), (7, 4031096), (8, 3527209), (14, 2015548), (28, 1007774), (47, 600376), (56, 503887), (71, 397432), (94, 300188), (142, 198716), (151, 186872), (188, 150094), (284, 99358), (302, 93436), (329, 85768), (376, 75047), (497, 56776), (568, 49679), (604, 46718), (658, 42884), (994, 28388), (1057, 26696), (1208, 23359), (1316, 21442), (1988, 14194), (2114, 13348), (2632, 10721), (3337, 8456), (3976, 7097), (4228, 6674)]