28752738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 69949440

約数和(自身を除く): 41196702

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 137, 263, 266, 274, 399, 411, 526, 789, 798, 822, 959, 1578, 1841, 1918, 2603, 2877, 3682, 4997, 5206, 5523, 5754, 7809, 9994, 11046, 14991, 15618, 18221, 29982, 34979, 36031, 36442, 54663, 69958, 72062, 104937, 108093, 109326, 209874, 216186, 252217, 504434, 684589, 756651, 1369178, 1513302, 2053767, 4107534, 4792123, 9584246, 14376369, 28752738]

約数ペア:

[(1, 28752738), (2, 14376369), (3, 9584246), (6, 4792123), (7, 4107534), (14, 2053767), (19, 1513302), (21, 1369178), (38, 756651), (42, 684589), (57, 504434), (114, 252217), (133, 216186), (137, 209874), (263, 109326), (266, 108093), (274, 104937), (399, 72062), (411, 69958), (526, 54663), (789, 36442), (798, 36031), (822, 34979), (959, 29982), (1578, 18221), (1841, 15618), (1918, 14991), (2603, 11046), (2877, 9994), (3682, 7809), (4997, 5754), (5206, 5523)]