26987855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2153}}^1$

素因数の和:2290

約数の個数: 16

約数和(自身を含む): 34119360

約数和(自身を除く): 7131505

約数列:

[1, 5, 23, 109, 115, 545, 2153, 2507, 10765, 12535, 49519, 234677, 247595, 1173385, 5397571, 26987855]

約数ペア:

[(1, 26987855), (5, 5397571), (23, 1173385), (109, 247595), (115, 234677), (545, 49519), (2153, 12535), (2507, 10765)]