39957358

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{21787}}^1$

素因数の和:21927

約数の個数: 16

約数和(自身を含む): 69024384

約数和(自身を除く): 29067026

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 21787, 43574, 152509, 305018, 2854097, 5708194, 19978679, 39957358]

約数ペア:

[(1, 39957358), (2, 19978679), (7, 5708194), (14, 2854097), (131, 305018), (262, 152509), (917, 43574), (1834, 21787)]