28781786

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{5171}}^1$

素因数の和:5218

約数の個数: 24

約数和(自身を含む): 49527072

約数和(自身を除く): 20745286

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 5171, 5566, 10342, 56881, 113762, 118933, 237866, 625691, 1251382, 1308263, 2616526, 14390893, 28781786]

約数ペア:

[(1, 28781786), (2, 14390893), (11, 2616526), (22, 1308263), (23, 1251382), (46, 625691), (121, 237866), (242, 118933), (253, 113762), (506, 56881), (2783, 10342), (5171, 5566)]