388187877

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2411}}^1$

素因数の和:2490

約数の個数: 64

約数和(自身を含む): 700213248

約数和(自身を除く): 312025371

約数列:

[1, 3, 7, 11, 17, 21, 33, 41, 51, 77, 119, 123, 187, 231, 287, 357, 451, 561, 697, 861, 1309, 1353, 2091, 2411, 3157, 3927, 4879, 7233, 7667, 9471, 14637, 16877, 23001, 26521, 40987, 50631, 53669, 79563, 98851, 122961, 161007, 185647, 286909, 296553, 450857, 556941, 691957, 860727, 1087361, 1352571, 1680467, 2075871, 3155999, 3262083, 5041401, 7611527, 9467997, 11763269, 18485137, 22834581, 35289807, 55455411, 129395959, 388187877]

約数ペア:

[(1, 388187877), (3, 129395959), (7, 55455411), (11, 35289807), (17, 22834581), (21, 18485137), (33, 11763269), (41, 9467997), (51, 7611527), (77, 5041401), (119, 3262083), (123, 3155999), (187, 2075871), (231, 1680467), (287, 1352571), (357, 1087361), (451, 860727), (561, 691957), (697, 556941), (861, 450857), (1309, 296553), (1353, 286909), (2091, 185647), (2411, 161007), (3157, 122961), (3927, 98851), (4879, 79563), (7233, 53669), (7667, 50631), (9471, 40987), (14637, 26521), (16877, 23001)]