39338845

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2789}}^1$

素因数の和:2845

約数の個数: 32

約数和(自身を含む): 59996160

約数和(自身を除く): 20657315

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2789, 2821, 13945, 14105, 19523, 36257, 86459, 97615, 181285, 253799, 432295, 605213, 1123967, 1268995, 3026065, 5619835, 7867769, 39338845]

約数ペア:

[(1, 39338845), (5, 7867769), (7, 5619835), (13, 3026065), (31, 1268995), (35, 1123967), (65, 605213), (91, 432295), (155, 253799), (217, 181285), (403, 97615), (455, 86459), (1085, 36257), (2015, 19523), (2789, 14105), (2821, 13945)]