641415664

素因数分解:

$2^4\times {\mathrm{1019}}^1\times {\mathrm{39341}}^1$

素因数の和:40368

約数の個数: 20

約数和(自身を含む): 1243994040

約数和(自身を除く): 602578376

約数列:

[1, 2, 4, 8, 16, 1019, 2038, 4076, 8152, 16304, 39341, 78682, 157364, 314728, 629456, 40088479, 80176958, 160353916, 320707832, 641415664]

約数ペア:

[(1, 641415664), (2, 320707832), (4, 160353916), (8, 80176958), (16, 40088479), (1019, 629456), (2038, 314728), (4076, 157364), (8152, 78682), (16304, 39341)]