3998704

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{509}}^1$

素因数の和:1008

約数の個数: 20

約数和(自身を含む): 7778520

約数和(自身を除く): 3779816

約数列:

[1, 2, 4, 8, 16, 491, 509, 982, 1018, 1964, 2036, 3928, 4072, 7856, 8144, 249919, 499838, 999676, 1999352, 3998704]

約数ペア:

[(1, 3998704), (2, 1999352), (4, 999676), (8, 499838), (16, 249919), (491, 8144), (509, 7856), (982, 4072), (1018, 3928), (1964, 2036)]