199954315

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{349}}^1\times {\mathrm{947}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 264776400

約数和(自身を除く): 64822085

約数列:

[1, 5, 11, 55, 121, 349, 605, 947, 1745, 3839, 4735, 10417, 19195, 42229, 52085, 114587, 211145, 330503, 572935, 1652515, 3635533, 18177665, 39990863, 199954315]

約数ペア:

[(1, 199954315), (5, 39990863), (11, 18177665), (55, 3635533), (121, 1652515), (349, 572935), (605, 330503), (947, 211145), (1745, 114587), (3839, 52085), (4735, 42229), (10417, 19195)]