309637972

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139981}}^1$

素因数の和:140071

約数の個数: 24

約数和(自身を含む): 627119360

約数和(自身を除く): 317481388

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 139981, 279962, 559924, 979867, 1959734, 3919468, 11058499, 22116998, 44233996, 77409493, 154818986, 309637972]

約数ペア:

[(1, 309637972), (2, 154818986), (4, 77409493), (7, 44233996), (14, 22116998), (28, 11058499), (79, 3919468), (158, 1959734), (316, 979867), (553, 559924), (1106, 279962), (2212, 139981)]