66120215

素因数分解:

$5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{13591}}^1$

素因数の和:13742

約数の個数: 16

約数和(自身を含む): 91338240

約数和(自身を除く): 25218025

約数列:

[1, 5, 7, 35, 139, 695, 973, 4865, 13591, 67955, 95137, 475685, 1889149, 9445745, 13224043, 66120215]

約数ペア:

[(1, 66120215), (5, 13224043), (7, 9445745), (35, 1889149), (139, 475685), (695, 95137), (973, 67955), (4865, 13591)]