664453926

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{519917}}^1$

素因数の和:519996

約数の個数: 24

約数和(自身を含む): 1459929744

約数和(自身を除く): 795475818

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 519917, 1039834, 1559751, 3119502, 4679253, 9358506, 36914107, 73828214, 110742321, 221484642, 332226963, 664453926]

約数ペア:

[(1, 664453926), (2, 332226963), (3, 221484642), (6, 110742321), (9, 73828214), (18, 36914107), (71, 9358506), (142, 4679253), (213, 3119502), (426, 1559751), (639, 1039834), (1278, 519917)]