858994565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{16921}}^1$

素因数の和:17021

約数の個数: 32

約数和(自身を含む): 1228131072

約数和(自身を除く): 369136507

約数列:

[1, 5, 11, 13, 55, 65, 71, 143, 355, 715, 781, 923, 3905, 4615, 10153, 16921, 50765, 84605, 186131, 219973, 930655, 1099865, 1201391, 2419703, 6006955, 12098515, 13215301, 15618083, 66076505, 78090415, 171798913, 858994565]

約数ペア:

[(1, 858994565), (5, 171798913), (11, 78090415), (13, 66076505), (55, 15618083), (65, 13215301), (71, 12098515), (143, 6006955), (355, 2419703), (715, 1201391), (781, 1099865), (923, 930655), (3905, 219973), (4615, 186131), (10153, 84605), (16921, 50765)]