389439086

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 664934400

約数和(自身を除く): 275495314

約数列:

[1, 2, 19, 29, 38, 47, 58, 73, 94, 103, 146, 206, 551, 893, 1102, 1363, 1387, 1786, 1957, 2117, 2726, 2774, 2987, 3431, 3914, 4234, 4841, 5974, 6862, 7519, 9682, 15038, 25897, 40223, 51794, 56753, 65189, 80446, 91979, 99499, 113506, 130378, 140389, 142861, 183958, 198998, 218051, 280778, 285722, 353393, 436102, 706786, 1890481, 2667391, 3780962, 4142969, 5334782, 6714467, 8285938, 10248397, 13428934, 20496794, 194719543, 389439086]

約数ペア:

[(1, 389439086), (2, 194719543), (19, 20496794), (29, 13428934), (38, 10248397), (47, 8285938), (58, 6714467), (73, 5334782), (94, 4142969), (103, 3780962), (146, 2667391), (206, 1890481), (551, 706786), (893, 436102), (1102, 353393), (1363, 285722), (1387, 280778), (1786, 218051), (1957, 198998), (2117, 183958), (2726, 142861), (2774, 140389), (2987, 130378), (3431, 113506), (3914, 99499), (4234, 91979), (4841, 80446), (5974, 65189), (6862, 56753), (7519, 51794), (9682, 40223), (15038, 25897)]