1279990765

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{1511}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 1668522240

約数和(自身を除く): 388531475

約数列:

[1, 5, 19, 37, 95, 185, 241, 703, 1205, 1511, 3515, 4579, 7555, 8917, 22895, 28709, 44585, 55907, 143545, 169423, 279535, 364151, 847115, 1062233, 1820755, 5311165, 6918869, 13473587, 34594345, 67367935, 255998153, 1279990765]

約数ペア:

[(1, 1279990765), (5, 255998153), (19, 67367935), (37, 34594345), (95, 13473587), (185, 6918869), (241, 5311165), (703, 1820755), (1205, 1062233), (1511, 847115), (3515, 364151), (4579, 279535), (7555, 169423), (8917, 143545), (22895, 55907), (28709, 44585)]