15947555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 22344000

約数和(自身を除く): 6396445

約数列:

[1, 5, 13, 19, 37, 65, 95, 185, 247, 349, 481, 703, 1235, 1745, 2405, 3515, 4537, 6631, 9139, 12913, 22685, 33155, 45695, 64565, 86203, 167869, 245347, 431015, 839345, 1226735, 3189511, 15947555]

約数ペア:

[(1, 15947555), (5, 3189511), (13, 1226735), (19, 839345), (37, 431015), (65, 245347), (95, 167869), (185, 86203), (247, 64565), (349, 45695), (481, 33155), (703, 22685), (1235, 12913), (1745, 9139), (2405, 6631), (3515, 4537)]