12840751

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 17233920

約数和(自身を除く): 4393169

約数列:

[1, 7, 11, 19, 67, 77, 131, 133, 209, 469, 737, 917, 1273, 1441, 1463, 2489, 5159, 8777, 8911, 10087, 14003, 17423, 27379, 61439, 96547, 98021, 166763, 191653, 675829, 1167341, 1834393, 12840751]

約数ペア:

[(1, 12840751), (7, 1834393), (11, 1167341), (19, 675829), (67, 191653), (77, 166763), (131, 98021), (133, 96547), (209, 61439), (469, 27379), (737, 17423), (917, 14003), (1273, 10087), (1441, 8911), (1463, 8777), (2489, 5159)]