398356768

素因数分解:

$2^5\times {\mathrm{383}}^1\times {\mathrm{32503}}^1$

素因数の和:32896

約数の個数: 24

約数和(自身を含む): 786336768

約数和(自身を除く): 387980000

約数列:

[1, 2, 4, 8, 16, 32, 383, 766, 1532, 3064, 6128, 12256, 32503, 65006, 130012, 260024, 520048, 1040096, 12448649, 24897298, 49794596, 99589192, 199178384, 398356768]

約数ペア:

[(1, 398356768), (2, 199178384), (4, 99589192), (8, 49794596), (16, 24897298), (32, 12448649), (383, 1040096), (766, 520048), (1532, 260024), (3064, 130012), (6128, 65006), (12256, 32503)]