1640392665

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1\times {\mathrm{3209}}^1$

素因数の和:3913

約数の個数: 32

約数和(自身を含む): 2679143040

約数和(自身を除く): 1038750375

約数列:

[1, 3, 5, 15, 53, 159, 265, 643, 795, 1929, 3209, 3215, 9627, 9645, 16045, 34079, 48135, 102237, 170077, 170395, 510231, 511185, 850385, 2063387, 2551155, 6190161, 10316935, 30950805, 109359511, 328078533, 546797555, 1640392665]

約数ペア:

[(1, 1640392665), (3, 546797555), (5, 328078533), (15, 109359511), (53, 30950805), (159, 10316935), (265, 6190161), (643, 2551155), (795, 2063387), (1929, 850385), (3209, 511185), (3215, 510231), (9627, 170395), (9645, 170077), (16045, 102237), (34079, 48135)]