28664402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{25639}}^1$

素因数の和:25697

約数の個数: 16

約数和(自身を含む): 47382720

約数和(自身を除く): 18718318

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 25639, 51278, 333307, 666614, 1102477, 2204954, 14332201, 28664402]

約数ペア:

[(1, 28664402), (2, 14332201), (13, 2204954), (26, 1102477), (43, 666614), (86, 333307), (559, 51278), (1118, 25639)]