1680207815

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{19421}}^1$

素因数の和:19472

約数の個数: 32

約数和(自身を含む): 2388439872

約数和(自身を除く): 708232057

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1331, 1573, 6655, 7865, 17303, 19421, 86515, 97105, 213631, 252473, 1068155, 1262365, 2349941, 2777203, 11749705, 13886015, 25849351, 30549233, 129246755, 152746165, 336041563, 1680207815]

約数ペア:

[(1, 1680207815), (5, 336041563), (11, 152746165), (13, 129246755), (55, 30549233), (65, 25849351), (121, 13886015), (143, 11749705), (605, 2777203), (715, 2349941), (1331, 1262365), (1573, 1068155), (6655, 252473), (7865, 213631), (17303, 97105), (19421, 86515)]