221489567

素因数分解:

${\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{881}}^1$

素因数の和:1210

約数の個数: 16

約数和(自身を含む): 242712288

約数和(自身を除く): 21222721

約数列:

[1, 13, 83, 233, 881, 1079, 3029, 11453, 19339, 73123, 205273, 251407, 950599, 2668549, 17037659, 221489567]

約数ペア:

[(1, 221489567), (13, 17037659), (83, 2668549), (233, 950599), (881, 251407), (1079, 205273), (3029, 73123), (11453, 19339)]