78712465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71233}}^1$

素因数の和:71268

約数の個数: 16

約数和(自身を含む): 107705808

約数和(自身を除く): 28993343

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 71233, 356165, 926029, 1210961, 4630145, 6054805, 15742493, 78712465]

約数ペア:

[(1, 78712465), (5, 15742493), (13, 6054805), (17, 4630145), (65, 1210961), (85, 926029), (221, 356165), (1105, 71233)]