28731857

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 9975343

約数列:

[1, 7, 11, 19, 41, 77, 133, 209, 287, 451, 479, 779, 1463, 3157, 3353, 5269, 5453, 8569, 9101, 19639, 36883, 59983, 63707, 100111, 137473, 216029, 373141, 700777, 1512203, 2611987, 4104551, 28731857]

約数ペア:

[(1, 28731857), (7, 4104551), (11, 2611987), (19, 1512203), (41, 700777), (77, 373141), (133, 216029), (209, 137473), (287, 100111), (451, 63707), (479, 59983), (779, 36883), (1463, 19639), (3157, 9101), (3353, 8569), (5269, 5453)]