1667388639

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1\times {\mathrm{1979}}^1$

素因数の和:2799

約数の個数: 32

約数和(自身を含む): 2593451520

約数和(自身を除く): 926062881

約数列:

[1, 3, 7, 21, 53, 159, 371, 757, 1113, 1979, 2271, 5299, 5937, 13853, 15897, 40121, 41559, 104887, 120363, 280847, 314661, 734209, 842541, 1498103, 2202627, 4494309, 10486721, 31460163, 79399459, 238198377, 555796213, 1667388639]

約数ペア:

[(1, 1667388639), (3, 555796213), (7, 238198377), (21, 79399459), (53, 31460163), (159, 10486721), (371, 4494309), (757, 2202627), (1113, 1498103), (1979, 842541), (2271, 734209), (5299, 314661), (5937, 280847), (13853, 120363), (15897, 104887), (40121, 41559)]