721519006

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{380147}}^1$

素因数の和:380235

約数の個数: 16

約数和(自身を含む): 1181499984

約数和(自身を除く): 459980978

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 380147, 760294, 4941911, 9883822, 27750731, 55501462, 360759503, 721519006]

約数ペア:

[(1, 721519006), (2, 360759503), (13, 55501462), (26, 27750731), (73, 9883822), (146, 4941911), (949, 760294), (1898, 380147)]