77981605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 106928640

約数和(自身を除く): 28947035

約数列:

[1, 5, 13, 19, 65, 95, 233, 247, 271, 1165, 1235, 1355, 3029, 3523, 4427, 5149, 15145, 17615, 22135, 25745, 57551, 63143, 66937, 287755, 315715, 334685, 820859, 1199717, 4104295, 5998585, 15596321, 77981605]

約数ペア:

[(1, 77981605), (5, 15596321), (13, 5998585), (19, 4104295), (65, 1199717), (95, 820859), (233, 334685), (247, 315715), (271, 287755), (1165, 66937), (1235, 63143), (1355, 57551), (3029, 25745), (3523, 22135), (4427, 17615), (5149, 15145)]