1640144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{9319}}^1$

素因数の和:9338

約数の個数: 20

約数和(自身を含む): 3467040

約数和(自身を除く): 1826896

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 9319, 18638, 37276, 74552, 102509, 149104, 205018, 410036, 820072, 1640144]

約数ペア:

[(1, 1640144), (2, 820072), (4, 410036), (8, 205018), (11, 149104), (16, 102509), (22, 74552), (44, 37276), (88, 18638), (176, 9319)]