156908215

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{108587}}^1$

素因数の和:108626

約数の個数: 12

約数和(自身を含む): 200019096

約数和(自身を除く): 43110881

約数列:

[1, 5, 17, 85, 289, 1445, 108587, 542935, 1845979, 9229895, 31381643, 156908215]

約数ペア:

[(1, 156908215), (5, 31381643), (17, 9229895), (85, 1845979), (289, 542935), (1445, 108587)]