8147425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 12374208

約数和(自身を除く): 4226783

約数列:

[1, 5, 11, 13, 25, 43, 53, 55, 65, 143, 215, 265, 275, 325, 473, 559, 583, 689, 715, 1075, 1325, 2279, 2365, 2795, 2915, 3445, 3575, 6149, 7579, 11395, 11825, 13975, 14575, 17225, 25069, 29627, 30745, 37895, 56975, 125345, 148135, 153725, 189475, 325897, 626725, 740675, 1629485, 8147425]

約数ペア:

[(1, 8147425), (5, 1629485), (11, 740675), (13, 626725), (25, 325897), (43, 189475), (53, 153725), (55, 148135), (65, 125345), (143, 56975), (215, 37895), (265, 30745), (275, 29627), (325, 25069), (473, 17225), (559, 14575), (583, 13975), (689, 11825), (715, 11395), (1075, 7579), (1325, 6149), (2279, 3575), (2365, 3445), (2795, 2915)]