68618215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 90316800

約数和(自身を除く): 21698585

約数列:

[1, 5, 19, 41, 79, 95, 205, 223, 395, 779, 1115, 1501, 3239, 3895, 4237, 7505, 9143, 16195, 17617, 21185, 45715, 61541, 88085, 173717, 307705, 334723, 722297, 868585, 1673615, 3611485, 13723643, 68618215]

約数ペア:

[(1, 68618215), (5, 13723643), (19, 3611485), (41, 1673615), (79, 868585), (95, 722297), (205, 334723), (223, 307705), (395, 173717), (779, 88085), (1115, 61541), (1501, 45715), (3239, 21185), (3895, 17617), (4237, 16195), (7505, 9143)]