28205034

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 67350528

約数和(自身を除く): 39145494

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 71, 78, 142, 143, 213, 286, 426, 429, 463, 781, 858, 923, 926, 1389, 1562, 1846, 2343, 2769, 2778, 4686, 5093, 5538, 6019, 10153, 10186, 12038, 15279, 18057, 20306, 30459, 30558, 32873, 36114, 60918, 65746, 66209, 98619, 132418, 197238, 198627, 361603, 397254, 427349, 723206, 854698, 1084809, 1282047, 2169618, 2564094, 4700839, 9401678, 14102517, 28205034]

約数ペア:

[(1, 28205034), (2, 14102517), (3, 9401678), (6, 4700839), (11, 2564094), (13, 2169618), (22, 1282047), (26, 1084809), (33, 854698), (39, 723206), (66, 427349), (71, 397254), (78, 361603), (142, 198627), (143, 197238), (213, 132418), (286, 98619), (426, 66209), (429, 65746), (463, 60918), (781, 36114), (858, 32873), (923, 30558), (926, 30459), (1389, 20306), (1562, 18057), (1846, 15279), (2343, 12038), (2769, 10186), (2778, 10153), (4686, 6019), (5093, 5538)]