1557889718815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{2316203}}^1$

素因数の和:2316459

約数の個数: 32

約数和(自身を含む): 2038222460736

約数和(自身を除く): 480332741921

約数列:

[1, 5, 17, 41, 85, 193, 205, 697, 965, 3281, 3485, 7913, 16405, 39565, 134521, 672605, 2316203, 11581015, 39375451, 94964323, 196877255, 447027179, 474821615, 1614393491, 2235135895, 7599462043, 8071967455, 18328114339, 37997310215, 91640571695, 311577943763, 1557889718815]

約数ペア:

[(1, 1557889718815), (5, 311577943763), (17, 91640571695), (41, 37997310215), (85, 18328114339), (193, 8071967455), (205, 7599462043), (697, 2235135895), (965, 1614393491), (3281, 474821615), (3485, 447027179), (7913, 196877255), (16405, 94964323), (39565, 39375451), (134521, 11581015), (672605, 2316203)]