388672208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1278527}}^1$

素因数の和:1278554

約数の個数: 20

約数和(自身を含む): 792687360

約数和(自身を除く): 404015152

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1278527, 2557054, 5114108, 10228216, 20456432, 24292013, 48584026, 97168052, 194336104, 388672208]

約数ペア:

[(1, 388672208), (2, 194336104), (4, 97168052), (8, 48584026), (16, 24292013), (19, 20456432), (38, 10228216), (76, 5114108), (152, 2557054), (304, 1278527)]