255718395595

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1\times {\mathrm{73121}}^1$

素因数の和:73623

約数の個数: 32

約数和(自身を含む): 333450359424

約数和(自身を除く): 77731963829

約数列:

[1, 5, 13, 65, 173, 311, 865, 1555, 2249, 4043, 11245, 20215, 53803, 73121, 269015, 365605, 699439, 950573, 3497195, 4752865, 12649933, 22740631, 63249665, 113703155, 164449129, 295628203, 822245645, 1478141015, 3934129163, 19670645815, 51143679119, 255718395595]

約数ペア:

[(1, 255718395595), (5, 51143679119), (13, 19670645815), (65, 3934129163), (173, 1478141015), (311, 822245645), (865, 295628203), (1555, 164449129), (2249, 113703155), (4043, 63249665), (11245, 22740631), (20215, 12649933), (53803, 4752865), (73121, 3497195), (269015, 950573), (365605, 699439)]