66489878

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 128241792

約数和(自身を除く): 61751914

約数列:

[1, 2, 7, 13, 14, 26, 53, 61, 91, 106, 113, 122, 182, 226, 371, 427, 689, 742, 791, 793, 854, 1378, 1469, 1582, 1586, 2938, 3233, 4823, 5551, 5989, 6466, 6893, 9646, 10283, 11102, 11978, 13786, 20566, 22631, 41923, 42029, 45262, 48251, 77857, 83846, 84058, 89609, 96502, 155714, 179218, 294203, 365329, 544999, 588406, 627263, 730658, 1089998, 1254526, 2557303, 4749277, 5114606, 9498554, 33244939, 66489878]

約数ペア:

[(1, 66489878), (2, 33244939), (7, 9498554), (13, 5114606), (14, 4749277), (26, 2557303), (53, 1254526), (61, 1089998), (91, 730658), (106, 627263), (113, 588406), (122, 544999), (182, 365329), (226, 294203), (371, 179218), (427, 155714), (689, 96502), (742, 89609), (791, 84058), (793, 83846), (854, 77857), (1378, 48251), (1469, 45262), (1582, 42029), (1586, 41923), (2938, 22631), (3233, 20566), (4823, 13786), (5551, 11978), (5989, 11102), (6466, 10283), (6893, 9646)]