87755885

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2789}}^1$

素因数の和:2861

約数の個数: 32

約数和(自身を含む): 128563200

約数和(自身を除く): 40807315

約数列:

[1, 5, 7, 29, 31, 35, 145, 155, 203, 217, 899, 1015, 1085, 2789, 4495, 6293, 13945, 19523, 31465, 80881, 86459, 97615, 404405, 432295, 566167, 605213, 2507311, 2830835, 3026065, 12536555, 17551177, 87755885]

約数ペア:

[(1, 87755885), (5, 17551177), (7, 12536555), (29, 3026065), (31, 2830835), (35, 2507311), (145, 605213), (155, 566167), (203, 432295), (217, 404405), (899, 97615), (1015, 86459), (1085, 80881), (2789, 31465), (4495, 19523), (6293, 13945)]