138468568

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^3\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 310302720

約数和(自身を除く): 171834152

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 83, 124, 166, 217, 248, 332, 434, 581, 664, 868, 961, 1162, 1736, 1922, 2324, 2573, 3844, 4648, 5146, 6727, 7688, 10292, 13454, 18011, 20584, 26908, 29791, 36022, 53816, 59582, 72044, 79763, 119164, 144088, 159526, 208537, 238328, 319052, 417074, 558341, 638104, 834148, 1116682, 1668296, 2233364, 2472653, 4466728, 4945306, 9890612, 17308571, 19781224, 34617142, 69234284, 138468568]

約数ペア:

[(1, 138468568), (2, 69234284), (4, 34617142), (7, 19781224), (8, 17308571), (14, 9890612), (28, 4945306), (31, 4466728), (56, 2472653), (62, 2233364), (83, 1668296), (124, 1116682), (166, 834148), (217, 638104), (248, 558341), (332, 417074), (434, 319052), (581, 238328), (664, 208537), (868, 159526), (961, 144088), (1162, 119164), (1736, 79763), (1922, 72044), (2324, 59582), (2573, 53816), (3844, 36022), (4648, 29791), (5146, 26908), (6727, 20584), (7688, 18011), (10292, 13454)]