202912205

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1\times {\mathrm{1321}}^1$

素因数の和:2348

約数の個数: 16

約数和(自身を含む): 251793408

約数和(自身を除く): 48881203

約数列:

[1, 5, 31, 155, 991, 1321, 4955, 6605, 30721, 40951, 153605, 204755, 1309111, 6545555, 40582441, 202912205]

約数ペア:

[(1, 202912205), (5, 40582441), (31, 6545555), (155, 1309111), (991, 204755), (1321, 153605), (4955, 40951), (6605, 30721)]