28477865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23059}}^1$

素因数の和:23096

約数の個数: 16

約数和(自身を含む): 38740800

約数和(自身を除く): 10262935

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 23059, 115295, 299767, 438121, 1498835, 2190605, 5695573, 28477865]

約数ペア:

[(1, 28477865), (5, 5695573), (13, 2190605), (19, 1498835), (65, 438121), (95, 299767), (247, 115295), (1235, 23059)]