28831894

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 56246400

約数和(自身を除く): 27414506

約数列:

[1, 2, 7, 13, 14, 26, 49, 53, 61, 91, 98, 106, 122, 182, 343, 371, 427, 637, 686, 689, 742, 793, 854, 1274, 1378, 1586, 2597, 2989, 3233, 4459, 4823, 5194, 5551, 5978, 6466, 8918, 9646, 11102, 18179, 20923, 22631, 33761, 36358, 38857, 41846, 42029, 45262, 67522, 77714, 84058, 158417, 236327, 271999, 294203, 316834, 472654, 543998, 588406, 1108919, 2059421, 2217838, 4118842, 14415947, 28831894]

約数ペア:

[(1, 28831894), (2, 14415947), (7, 4118842), (13, 2217838), (14, 2059421), (26, 1108919), (49, 588406), (53, 543998), (61, 472654), (91, 316834), (98, 294203), (106, 271999), (122, 236327), (182, 158417), (343, 84058), (371, 77714), (427, 67522), (637, 45262), (686, 42029), (689, 41846), (742, 38857), (793, 36358), (854, 33761), (1274, 22631), (1378, 20923), (1586, 18179), (2597, 11102), (2989, 9646), (3233, 8918), (4459, 6466), (4823, 5978), (5194, 5551)]