81245748

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8287}}^1$

素因数の和:8356

約数の個数: 48

約数和(自身を含む): 204216320

約数和(自身を除く): 122970572

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2451, 3268, 4902, 8287, 9804, 16574, 24861, 33148, 49722, 99444, 157453, 314906, 356341, 472359, 629812, 712682, 944718, 1069023, 1425364, 1889436, 2138046, 4276092, 6770479, 13540958, 20311437, 27081916, 40622874, 81245748]

約数ペア:

[(1, 81245748), (2, 40622874), (3, 27081916), (4, 20311437), (6, 13540958), (12, 6770479), (19, 4276092), (38, 2138046), (43, 1889436), (57, 1425364), (76, 1069023), (86, 944718), (114, 712682), (129, 629812), (172, 472359), (228, 356341), (258, 314906), (516, 157453), (817, 99444), (1634, 49722), (2451, 33148), (3268, 24861), (4902, 16574), (8287, 9804)]