394884959

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 489494016

約数和(自身を除く): 94609057

約数列:

[1, 7, 17, 73, 119, 131, 347, 511, 917, 1241, 2227, 2429, 5899, 8687, 9563, 15589, 25331, 41293, 45457, 66941, 162571, 177317, 318199, 430627, 772769, 1137997, 3014389, 3318361, 5409383, 23228527, 56412137, 394884959]

約数ペア:

[(1, 394884959), (7, 56412137), (17, 23228527), (73, 5409383), (119, 3318361), (131, 3014389), (347, 1137997), (511, 772769), (917, 430627), (1241, 318199), (2227, 177317), (2429, 162571), (5899, 66941), (8687, 45457), (9563, 41293), (15589, 25331)]