12921536

素因数分解:

$2^6\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2112

約数の個数: 28

約数和(自身を含む): 25908000

約数和(自身を除く): 12986464

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 202, 404, 808, 1616, 1999, 3232, 3998, 6464, 7996, 15992, 31984, 63968, 127936, 201899, 403798, 807596, 1615192, 3230384, 6460768, 12921536]

約数ペア:

[(1, 12921536), (2, 6460768), (4, 3230384), (8, 1615192), (16, 807596), (32, 403798), (64, 201899), (101, 127936), (202, 63968), (404, 31984), (808, 15992), (1616, 7996), (1999, 6464), (3232, 3998)]