28298257

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 34062336

約数和(自身を除く): 5764079

約数列:

[1, 13, 23, 31, 43, 71, 299, 403, 559, 713, 923, 989, 1333, 1633, 2201, 3053, 9269, 12857, 17329, 21229, 28613, 30659, 39689, 50623, 70219, 94643, 398567, 658099, 912847, 1230359, 2176789, 28298257]

約数ペア:

[(1, 28298257), (13, 2176789), (23, 1230359), (31, 912847), (43, 658099), (71, 398567), (299, 94643), (403, 70219), (559, 50623), (713, 39689), (923, 30659), (989, 28613), (1333, 21229), (1633, 17329), (2201, 12857), (3053, 9269)]