205795639

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2221}}^1$

素因数の和:2327

約数の個数: 24

約数和(自身を含む): 251281536

約数和(自身を除く): 45485897

約数列:

[1, 7, 31, 49, 61, 217, 427, 1519, 1891, 2221, 2989, 13237, 15547, 68851, 92659, 108829, 135481, 481957, 948367, 3373699, 4199911, 6638569, 29399377, 205795639]

約数ペア:

[(1, 205795639), (7, 29399377), (31, 6638569), (49, 4199911), (61, 3373699), (217, 948367), (427, 481957), (1519, 135481), (1891, 108829), (2221, 92659), (2989, 68851), (13237, 15547)]