8890915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 12705984

約数和(自身を除く): 3815069

約数列:

[1, 5, 11, 17, 37, 55, 85, 185, 187, 257, 407, 629, 935, 1285, 2035, 2827, 3145, 4369, 6919, 9509, 14135, 21845, 34595, 47545, 48059, 104599, 161653, 240295, 522995, 808265, 1778183, 8890915]

約数ペア:

[(1, 8890915), (5, 1778183), (11, 808265), (17, 522995), (37, 240295), (55, 161653), (85, 104599), (185, 48059), (187, 47545), (257, 34595), (407, 21845), (629, 14135), (935, 9509), (1285, 6919), (2035, 4369), (2827, 3145)]