80223143

素因数分解:

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

素因数の和:252

約数の個数: 36

約数和(自身を含む): 110669832

約数和(自身を除く): 30446689

約数列:

[1, 7, 11, 13, 49, 77, 91, 107, 143, 539, 637, 749, 1001, 1177, 1391, 5243, 7007, 8239, 9737, 11449, 15301, 57673, 68159, 80143, 107107, 125939, 148837, 561001, 749749, 881573, 1041859, 1637207, 6171011, 7293013, 11460449, 80223143]

約数ペア:

[(1, 80223143), (7, 11460449), (11, 7293013), (13, 6171011), (49, 1637207), (77, 1041859), (91, 881573), (107, 749749), (143, 561001), (539, 148837), (637, 125939), (749, 107107), (1001, 80143), (1177, 68159), (1391, 57673), (5243, 15301), (7007, 11449), (8239, 9737)]