64031824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{210631}}^1$

素因数の和:210658

約数の個数: 20

約数和(自身を含む): 130591840

約数和(自身を除く): 66560016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 210631, 421262, 842524, 1685048, 3370096, 4001989, 8003978, 16007956, 32015912, 64031824]

約数ペア:

[(1, 64031824), (2, 32015912), (4, 16007956), (8, 8003978), (16, 4001989), (19, 3370096), (38, 1685048), (76, 842524), (152, 421262), (304, 210631)]