123163985

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2081}}^1$

素因数の和:2201

約数の個数: 32

約数和(自身を含む): 179884800

約数和(自身を除く): 56720815

約数列:

[1, 5, 7, 19, 35, 89, 95, 133, 445, 623, 665, 1691, 2081, 3115, 8455, 10405, 11837, 14567, 39539, 59185, 72835, 185209, 197695, 276773, 926045, 1296463, 1383865, 3518971, 6482315, 17594855, 24632797, 123163985]

約数ペア:

[(1, 123163985), (5, 24632797), (7, 17594855), (19, 6482315), (35, 3518971), (89, 1383865), (95, 1296463), (133, 926045), (445, 276773), (623, 197695), (665, 185209), (1691, 72835), (2081, 59185), (3115, 39539), (8455, 14567), (10405, 11837)]