85689604

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21401}}^1$

素因数の和:21436

約数の個数: 48

約数和(自身を含む): 201350016

約数和(自身を除く): 115660412

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 21401, 42802, 85604, 149807, 235411, 278213, 299614, 470822, 556426, 599228, 941644, 1112852, 1647877, 1947491, 3060343, 3295754, 3894982, 6120686, 6591508, 7789964, 12241372, 21422401, 42844802, 85689604]

約数ペア:

[(1, 85689604), (2, 42844802), (4, 21422401), (7, 12241372), (11, 7789964), (13, 6591508), (14, 6120686), (22, 3894982), (26, 3295754), (28, 3060343), (44, 1947491), (52, 1647877), (77, 1112852), (91, 941644), (143, 599228), (154, 556426), (182, 470822), (286, 299614), (308, 278213), (364, 235411), (572, 149807), (1001, 85604), (2002, 42802), (4004, 21401)]