68805745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^2$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 89017920

約数和(自身を除く): 20212175

約数列:

[1, 5, 19, 71, 95, 101, 355, 505, 1349, 1919, 6745, 7171, 9595, 10201, 35855, 51005, 136249, 193819, 681245, 724271, 969095, 3621355, 13761149, 68805745]

約数ペア:

[(1, 68805745), (5, 13761149), (19, 3621355), (71, 969095), (95, 724271), (101, 681245), (355, 193819), (505, 136249), (1349, 51005), (1919, 35855), (6745, 10201), (7171, 9595)]