3978221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 4644864

約数和(自身を除く): 666643

約数列:

[1, 13, 17, 47, 221, 383, 611, 799, 4979, 6511, 10387, 18001, 84643, 234013, 306017, 3978221]

約数ペア:

[(1, 3978221), (13, 306017), (17, 234013), (47, 84643), (221, 18001), (383, 10387), (611, 6511), (799, 4979)]