393908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 24

約数和(自身を含む): 745920

約数和(自身を除く): 352012

約数列:

[1, 2, 4, 19, 38, 71, 73, 76, 142, 146, 284, 292, 1349, 1387, 2698, 2774, 5183, 5396, 5548, 10366, 20732, 98477, 196954, 393908]

約数ペア:

[(1, 393908), (2, 196954), (4, 98477), (19, 20732), (38, 10366), (71, 5548), (73, 5396), (76, 5183), (142, 2774), (146, 2698), (284, 1387), (292, 1349)]