205717826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{25657}}^1$

素因数の和:25889

約数の個数: 16

約数和(自身を含む): 326369760

約数和(自身を除く): 120651934

約数列:

[1, 2, 19, 38, 211, 422, 4009, 8018, 25657, 51314, 487483, 974966, 5413627, 10827254, 102858913, 205717826]

約数ペア:

[(1, 205717826), (2, 102858913), (19, 10827254), (38, 5413627), (211, 974966), (422, 487483), (4009, 51314), (8018, 25657)]