1280996836

素因数分解:

$2^2\times 7^1\times {\mathrm{1153}}^1\times {\mathrm{39679}}^1$

素因数の和:40843

約数の個数: 24

約数和(自身を含む): 2564280320

約数和(自身を除く): 1283283484

約数列:

[1, 2, 4, 7, 14, 28, 1153, 2306, 4612, 8071, 16142, 32284, 39679, 79358, 158716, 277753, 555506, 1111012, 45749887, 91499774, 182999548, 320249209, 640498418, 1280996836]

約数ペア:

[(1, 1280996836), (2, 640498418), (4, 320249209), (7, 182999548), (14, 91499774), (28, 45749887), (1153, 1111012), (2306, 555506), (4612, 277753), (8071, 158716), (16142, 79358), (32284, 39679)]