28747048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 32838872

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 71, 86, 88, 107, 142, 172, 214, 284, 344, 428, 473, 568, 781, 856, 946, 1177, 1562, 1892, 2354, 3053, 3124, 3784, 4601, 4708, 6106, 6248, 7597, 9202, 9416, 12212, 15194, 18404, 24424, 30388, 33583, 36808, 50611, 60776, 67166, 83567, 101222, 134332, 167134, 202444, 268664, 326671, 334268, 404888, 653342, 668536, 1306684, 2613368, 3593381, 7186762, 14373524, 28747048]

約数ペア:

[(1, 28747048), (2, 14373524), (4, 7186762), (8, 3593381), (11, 2613368), (22, 1306684), (43, 668536), (44, 653342), (71, 404888), (86, 334268), (88, 326671), (107, 268664), (142, 202444), (172, 167134), (214, 134332), (284, 101222), (344, 83567), (428, 67166), (473, 60776), (568, 50611), (781, 36808), (856, 33583), (946, 30388), (1177, 24424), (1562, 18404), (1892, 15194), (2354, 12212), (3053, 9416), (3124, 9202), (3784, 7597), (4601, 6248), (4708, 6106)]