209700205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2741}}^1$

素因数の和:2877

約数の個数: 32

約数和(自身を含む): 298505088

約数和(自身を除く): 88804883

約数列:

[1, 5, 11, 13, 55, 65, 107, 143, 535, 715, 1177, 1391, 2741, 5885, 6955, 13705, 15301, 30151, 35633, 76505, 150755, 178165, 293287, 391963, 1466435, 1959815, 3226157, 3812731, 16130785, 19063655, 41940041, 209700205]

約数ペア:

[(1, 209700205), (5, 41940041), (11, 19063655), (13, 16130785), (55, 3812731), (65, 3226157), (107, 1959815), (143, 1466435), (535, 391963), (715, 293287), (1177, 178165), (1391, 150755), (2741, 76505), (5885, 35633), (6955, 30151), (13705, 15301)]