881139155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41969}}^1$

素因数の和:42023

約数の個数: 32

約数和(自身を含む): 1269172800

約数和(自身を除く): 388033645

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 20995, 41969, 209845, 545597, 713473, 797411, 2727985, 3567365, 3987055, 9275149, 10366343, 13555987, 46375745, 51831715, 67779935, 176227831, 881139155]

約数ペア:

[(1, 881139155), (5, 176227831), (13, 67779935), (17, 51831715), (19, 46375745), (65, 13555987), (85, 10366343), (95, 9275149), (221, 3987055), (247, 3567365), (323, 2727985), (1105, 797411), (1235, 713473), (1615, 545597), (4199, 209845), (20995, 41969)]