197982

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:672

約数の個数: 24

約数和(自身を含む): 454896

約数和(自身を除く): 256914

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 647, 1294, 1941, 3882, 5823, 10999, 11646, 21998, 32997, 65994, 98991, 197982]

約数ペア:

[(1, 197982), (2, 98991), (3, 65994), (6, 32997), (9, 21998), (17, 11646), (18, 10999), (34, 5823), (51, 3882), (102, 1941), (153, 1294), (306, 647)]