647974328

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{9623}}^1$

素因数の和:10091

約数の個数: 32

約数和(自身を含む): 1281916800

約数和(自身を除く): 633942472

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 443, 886, 1772, 3544, 8417, 9623, 16834, 19246, 33668, 38492, 67336, 76984, 182837, 365674, 731348, 1462696, 4262989, 8525978, 17051956, 34103912, 80996791, 161993582, 323987164, 647974328]

約数ペア:

[(1, 647974328), (2, 323987164), (4, 161993582), (8, 80996791), (19, 34103912), (38, 17051956), (76, 8525978), (152, 4262989), (443, 1462696), (886, 731348), (1772, 365674), (3544, 182837), (8417, 76984), (9623, 67336), (16834, 38492), (19246, 33668)]