128424821

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{4703}}^1$

素因数の和:4840

約数の個数: 16

約数和(自身を含む): 151732224

約数和(自身を除く): 23307403

約数列:

[1, 7, 47, 83, 329, 581, 3901, 4703, 27307, 32921, 221041, 390349, 1547287, 2732443, 18346403, 128424821]

約数ペア:

[(1, 128424821), (7, 18346403), (47, 2732443), (83, 1547287), (329, 390349), (581, 221041), (3901, 32921), (4703, 27307)]