78649576

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 149760000

約数和(自身を除く): 71110424

約数列:

[1, 2, 4, 8, 127, 199, 254, 389, 398, 508, 778, 796, 1016, 1556, 1592, 3112, 25273, 49403, 50546, 77411, 98806, 101092, 154822, 197612, 202184, 309644, 395224, 619288, 9831197, 19662394, 39324788, 78649576]

約数ペア:

[(1, 78649576), (2, 39324788), (4, 19662394), (8, 9831197), (127, 619288), (199, 395224), (254, 309644), (389, 202184), (398, 197612), (508, 154822), (778, 101092), (796, 98806), (1016, 77411), (1556, 50546), (1592, 49403), (3112, 25273)]