28084504

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 62726400

約数和(自身を除く): 34641896

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 107, 109, 172, 214, 218, 301, 344, 428, 436, 602, 749, 763, 856, 872, 1204, 1498, 1526, 2408, 2996, 3052, 4601, 4687, 5992, 6104, 9202, 9374, 11663, 18404, 18748, 23326, 32207, 32809, 36808, 37496, 46652, 64414, 65618, 81641, 93304, 128828, 131236, 163282, 257656, 262472, 326564, 501509, 653128, 1003018, 2006036, 3510563, 4012072, 7021126, 14042252, 28084504]

約数ペア:

[(1, 28084504), (2, 14042252), (4, 7021126), (7, 4012072), (8, 3510563), (14, 2006036), (28, 1003018), (43, 653128), (56, 501509), (86, 326564), (107, 262472), (109, 257656), (172, 163282), (214, 131236), (218, 128828), (301, 93304), (344, 81641), (428, 65618), (436, 64414), (602, 46652), (749, 37496), (763, 36808), (856, 32809), (872, 32207), (1204, 23326), (1498, 18748), (1526, 18404), (2408, 11663), (2996, 9374), (3052, 9202), (4601, 6104), (4687, 5992)]