15988987

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 18911232

約数和(自身を除く): 2922245

約数列:

[1, 7, 53, 71, 371, 497, 607, 3763, 4249, 26341, 32171, 43097, 225197, 301679, 2284141, 15988987]

約数ペア:

[(1, 15988987), (7, 2284141), (53, 301679), (71, 225197), (371, 43097), (497, 32171), (607, 26341), (3763, 4249)]