128395768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{844709}}^1$

素因数の和:844734

約数の個数: 16

約数和(自身を含む): 253413000

約数和(自身を除く): 125017232

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 844709, 1689418, 3378836, 6757672, 16049471, 32098942, 64197884, 128395768]

約数ペア:

[(1, 128395768), (2, 64197884), (4, 32098942), (8, 16049471), (19, 6757672), (38, 3378836), (76, 1689418), (152, 844709)]