65312785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 86457600

約数和(自身を除く): 21144815

約数列:

[1, 5, 19, 29, 95, 145, 151, 157, 551, 755, 785, 2755, 2869, 2983, 4379, 4553, 14345, 14915, 21895, 22765, 23707, 83201, 86507, 118535, 416005, 432535, 450433, 687503, 2252165, 3437515, 13062557, 65312785]

約数ペア:

[(1, 65312785), (5, 13062557), (19, 3437515), (29, 2252165), (95, 687503), (145, 450433), (151, 432535), (157, 416005), (551, 118535), (755, 86507), (785, 83201), (2755, 23707), (2869, 22765), (2983, 21895), (4379, 14915), (4553, 14345)]