168996685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3329}}^1$

素因数の和:3429

約数の個数: 32

約数和(自身を含む): 241678080

約数和(自身を除く): 72681395

約数列:

[1, 5, 11, 13, 55, 65, 71, 143, 355, 715, 781, 923, 3329, 3905, 4615, 10153, 16645, 36619, 43277, 50765, 183095, 216385, 236359, 476047, 1181795, 2380235, 2599949, 3072667, 12999745, 15363335, 33799337, 168996685]

約数ペア:

[(1, 168996685), (5, 33799337), (11, 15363335), (13, 12999745), (55, 3072667), (65, 2599949), (71, 2380235), (143, 1181795), (355, 476047), (715, 236359), (781, 216385), (923, 183095), (3329, 50765), (3905, 43277), (4615, 36619), (10153, 16645)]