239865406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{153563}}^1$

素因数の和:153647

約数の個数: 16

約数和(自身を含む): 398037888

約数和(自身を除く): 158172482

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 153563, 307126, 1689193, 3378386, 10902973, 21805946, 119932703, 239865406]

約数ペア:

[(1, 239865406), (2, 119932703), (11, 21805946), (22, 10902973), (71, 3378386), (142, 1689193), (781, 307126), (1562, 153563)]