28786186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 51057216

約数和(自身を除く): 22271030

約数列:

[1, 2, 11, 13, 22, 26, 143, 251, 286, 401, 502, 802, 2761, 3263, 4411, 5213, 5522, 6526, 8822, 10426, 35893, 57343, 71786, 100651, 114686, 201302, 1107161, 1308463, 2214322, 2616926, 14393093, 28786186]

約数ペア:

[(1, 28786186), (2, 14393093), (11, 2616926), (13, 2214322), (22, 1308463), (26, 1107161), (143, 201302), (251, 114686), (286, 100651), (401, 71786), (502, 57343), (802, 35893), (2761, 10426), (3263, 8822), (4411, 6526), (5213, 5522)]