201995745358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{129318659}}^1$

素因数の和:129318743

約数の個数: 16

約数和(自身を含む): 335193966720

約数和(自身を除く): 133198221362

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 129318659, 258637318, 1422505249, 2845010498, 9181624789, 18363249578, 100997872679, 201995745358]

約数ペア:

[(1, 201995745358), (2, 100997872679), (11, 18363249578), (22, 9181624789), (71, 2845010498), (142, 1422505249), (781, 258637318), (1562, 129318659)]