210325778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{18427}}^1$

素因数の和:18881

約数の個数: 16

約数和(自身を含む): 340549440

約数和(自身を除く): 130223662

約数列:

[1, 2, 13, 26, 439, 878, 5707, 11414, 18427, 36854, 239551, 479102, 8089453, 16178906, 105162889, 210325778]

約数ペア:

[(1, 210325778), (2, 105162889), (13, 16178906), (26, 8089453), (439, 479102), (878, 239551), (5707, 36854), (11414, 18427)]