16987403

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 18714240

約数和(自身を除く): 1726837

約数列:

[1, 17, 37, 113, 239, 629, 1921, 4063, 4181, 8843, 27007, 71077, 150331, 459119, 999259, 16987403]

約数ペア:

[(1, 16987403), (17, 999259), (37, 459119), (113, 150331), (239, 71077), (629, 27007), (1921, 8843), (4063, 4181)]