128448221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{419}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 150141600

約数和(自身を除く): 21693379

約数列:

[1, 11, 29, 31, 319, 341, 419, 899, 961, 4609, 9889, 10571, 12151, 12989, 27869, 133661, 142879, 306559, 376681, 402659, 4143491, 4429249, 11677111, 128448221]

約数ペア:

[(1, 128448221), (11, 11677111), (29, 4429249), (31, 4143491), (319, 402659), (341, 376681), (419, 306559), (899, 142879), (961, 133661), (4609, 27869), (9889, 12989), (10571, 12151)]