28173865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4177}}^1$

素因数の和:4272

約数の個数: 16

約数和(自身を含む): 36097920

約数和(自身を除く): 7924055

約数列:

[1, 5, 19, 71, 95, 355, 1349, 4177, 6745, 20885, 79363, 296567, 396815, 1482835, 5634773, 28173865]

約数ペア:

[(1, 28173865), (5, 5634773), (19, 1482835), (71, 396815), (95, 296567), (355, 79363), (1349, 20885), (4177, 6745)]