28230618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 65640960

約数和(自身を除く): 37410342

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 43, 57, 78, 86, 114, 129, 247, 258, 443, 494, 559, 741, 817, 886, 1118, 1329, 1482, 1634, 1677, 2451, 2658, 3354, 4902, 5759, 8417, 10621, 11518, 16834, 17277, 19049, 21242, 25251, 31863, 34554, 38098, 50502, 57147, 63726, 109421, 114294, 218842, 247637, 328263, 361931, 495274, 656526, 723862, 742911, 1085793, 1485822, 2171586, 4705103, 9410206, 14115309, 28230618]

約数ペア:

[(1, 28230618), (2, 14115309), (3, 9410206), (6, 4705103), (13, 2171586), (19, 1485822), (26, 1085793), (38, 742911), (39, 723862), (43, 656526), (57, 495274), (78, 361931), (86, 328263), (114, 247637), (129, 218842), (247, 114294), (258, 109421), (443, 63726), (494, 57147), (559, 50502), (741, 38098), (817, 34554), (886, 31863), (1118, 25251), (1329, 21242), (1482, 19049), (1634, 17277), (1677, 16834), (2451, 11518), (2658, 10621), (3354, 8417), (4902, 5759)]