7721872

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{991}}^1$

素因数の和:1486

約数の個数: 20

約数和(自身を含む): 15006976

約数和(自身を除く): 7285104

約数列:

[1, 2, 4, 8, 16, 487, 974, 991, 1948, 1982, 3896, 3964, 7792, 7928, 15856, 482617, 965234, 1930468, 3860936, 7721872]

約数ペア:

[(1, 7721872), (2, 3860936), (4, 1930468), (8, 965234), (16, 482617), (487, 15856), (974, 7928), (991, 7792), (1948, 3964), (1982, 3896)]