25728641

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 27974400

約数和(自身を除く): 2245759

約数列:

[1, 19, 61, 79, 281, 1159, 1501, 4819, 5339, 17141, 22199, 91561, 325679, 421781, 1354139, 25728641]

約数ペア:

[(1, 25728641), (19, 1354139), (61, 421781), (79, 325679), (281, 91561), (1159, 22199), (1501, 17141), (4819, 5339)]