129169616

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{90709}}^1$

素因数の和:90806

約数の個数: 20

約数和(自身を含む): 253080900

約数和(自身を除く): 123911284

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 90709, 181418, 362836, 725672, 1451344, 8073101, 16146202, 32292404, 64584808, 129169616]

約数ペア:

[(1, 129169616), (2, 64584808), (4, 32292404), (8, 16146202), (16, 8073101), (89, 1451344), (178, 725672), (356, 362836), (712, 181418), (1424, 90709)]