868585

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 1128960

約数和(自身を除く): 260375

約数列:

[1, 5, 19, 41, 95, 205, 223, 779, 1115, 3895, 4237, 9143, 21185, 45715, 173717, 868585]

約数ペア:

[(1, 868585), (5, 173717), (19, 45715), (41, 21185), (95, 9143), (205, 4237), (223, 3895), (779, 1115)]