28784536

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 63452160

約数和(自身を除く): 34667624

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 71, 88, 136, 142, 187, 271, 284, 374, 542, 568, 748, 781, 1084, 1207, 1496, 1562, 2168, 2414, 2981, 3124, 4607, 4828, 5962, 6248, 9214, 9656, 11924, 13277, 18428, 19241, 23848, 26554, 36856, 38482, 50677, 53108, 76964, 101354, 106216, 153928, 202708, 211651, 327097, 405416, 423302, 654194, 846604, 1308388, 1693208, 2616776, 3598067, 7196134, 14392268, 28784536]

約数ペア:

[(1, 28784536), (2, 14392268), (4, 7196134), (8, 3598067), (11, 2616776), (17, 1693208), (22, 1308388), (34, 846604), (44, 654194), (68, 423302), (71, 405416), (88, 327097), (136, 211651), (142, 202708), (187, 153928), (271, 106216), (284, 101354), (374, 76964), (542, 53108), (568, 50677), (748, 38482), (781, 36856), (1084, 26554), (1207, 23848), (1496, 19241), (1562, 18428), (2168, 13277), (2414, 11924), (2981, 9656), (3124, 9214), (4607, 6248), (4828, 5962)]