201840667

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 257241600

約数和(自身を除く): 55400933

約数列:

[1, 7, 19, 29, 43, 133, 203, 301, 551, 817, 1217, 1247, 3857, 5719, 8519, 8729, 23123, 23693, 35293, 52331, 161861, 165851, 247051, 366317, 670567, 994289, 1517599, 4693969, 6960023, 10623193, 28834381, 201840667]

約数ペア:

[(1, 201840667), (7, 28834381), (19, 10623193), (29, 6960023), (43, 4693969), (133, 1517599), (203, 994289), (301, 670567), (551, 366317), (817, 247051), (1217, 165851), (1247, 161861), (3857, 52331), (5719, 35293), (8519, 23693), (8729, 23123)]