19970294485

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{1009}}^1\times {\mathrm{13697}}^1$

素因数の和:14745

約数の個数: 24

約数和(自身を含む): 25484033160

約数和(自身を除く): 5513738675

約数列:

[1, 5, 17, 85, 289, 1009, 1445, 5045, 13697, 17153, 68485, 85765, 232849, 291601, 1164245, 1458005, 3958433, 13820273, 19792165, 69101365, 234944641, 1174723205, 3994058897, 19970294485]

約数ペア:

[(1, 19970294485), (5, 3994058897), (17, 1174723205), (85, 234944641), (289, 69101365), (1009, 19792165), (1445, 13820273), (5045, 3958433), (13697, 1458005), (17153, 1164245), (68485, 291601), (85765, 232849)]