199900415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3539}}^1$

素因数の和:3647

約数の個数: 32

約数和(自身を含む): 285465600

約数和(自身を除く): 85565185

約数列:

[1, 5, 11, 13, 55, 65, 79, 143, 395, 715, 869, 1027, 3539, 4345, 5135, 11297, 17695, 38929, 46007, 56485, 194645, 230035, 279581, 506077, 1397905, 2530385, 3075391, 3634553, 15376955, 18172765, 39980083, 199900415]

約数ペア:

[(1, 199900415), (5, 39980083), (11, 18172765), (13, 15376955), (55, 3634553), (65, 3075391), (79, 2530385), (143, 1397905), (395, 506077), (715, 279581), (869, 230035), (1027, 194645), (3539, 56485), (4345, 46007), (5135, 38929), (11297, 17695)]