1288947204

素因数分解:

$2^2\times 3^2\times {\mathrm{1999}}^1\times {\mathrm{17911}}^1$

素因数の和:19920

約数の個数: 36

約数和(自身を含む): 3259984000

約数和(自身を除く): 1971036796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1999, 3998, 5997, 7996, 11994, 17911, 17991, 23988, 35822, 35982, 53733, 71644, 71964, 107466, 161199, 214932, 322398, 644796, 35804089, 71608178, 107412267, 143216356, 214824534, 322236801, 429649068, 644473602, 1288947204]

約数ペア:

[(1, 1288947204), (2, 644473602), (3, 429649068), (4, 322236801), (6, 214824534), (9, 143216356), (12, 107412267), (18, 71608178), (36, 35804089), (1999, 644796), (3998, 322398), (5997, 214932), (7996, 161199), (11994, 107466), (17911, 71964), (17991, 71644), (23988, 53733), (35822, 35982)]