15691496821

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{20929}}^1$

素因数の和:21074

約数の個数: 48

約数和(自身を含む): 21645973440

約数和(自身を除く): 5954476619

約数列:

[1, 7, 11, 13, 49, 77, 91, 107, 143, 539, 637, 749, 1001, 1177, 1391, 5243, 7007, 8239, 9737, 15301, 20929, 57673, 68159, 107107, 146503, 230219, 272077, 749749, 1025521, 1611533, 1904539, 2239403, 2992847, 11280731, 13331773, 15675821, 20949929, 24633433, 29112239, 109730747, 146649503, 172434031, 203785673, 320234629, 1207038217, 1426499711, 2241642403, 15691496821]

約数ペア:

[(1, 15691496821), (7, 2241642403), (11, 1426499711), (13, 1207038217), (49, 320234629), (77, 203785673), (91, 172434031), (107, 146649503), (143, 109730747), (539, 29112239), (637, 24633433), (749, 20949929), (1001, 15675821), (1177, 13331773), (1391, 11280731), (5243, 2992847), (7007, 2239403), (8239, 1904539), (9737, 1611533), (15301, 1025521), (20929, 749749), (57673, 272077), (68159, 230219), (107107, 146503)]