31917445

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 47185920

約数和(自身を除く): 15268475

約数列:

[1, 5, 7, 23, 31, 35, 115, 155, 161, 217, 713, 805, 1085, 1279, 3565, 4991, 6395, 8953, 24955, 29417, 39649, 44765, 147085, 198245, 205919, 277543, 911927, 1029595, 1387715, 4559635, 6383489, 31917445]

約数ペア:

[(1, 31917445), (5, 6383489), (7, 4559635), (23, 1387715), (31, 1029595), (35, 911927), (115, 277543), (155, 205919), (161, 198245), (217, 147085), (713, 44765), (805, 39649), (1085, 29417), (1279, 24955), (3565, 8953), (4991, 6395)]