166661456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25847}}^1$

素因数の和:25899

約数の個数: 40

約数和(自身を含む): 358977024

約数和(自身を除く): 192315568

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 25847, 51694, 103388, 206776, 336011, 413552, 672022, 801257, 1344044, 1602514, 2688088, 3205028, 5376176, 6410056, 10416341, 12820112, 20832682, 41665364, 83330728, 166661456]

約数ペア:

[(1, 166661456), (2, 83330728), (4, 41665364), (8, 20832682), (13, 12820112), (16, 10416341), (26, 6410056), (31, 5376176), (52, 3205028), (62, 2688088), (104, 1602514), (124, 1344044), (208, 801257), (248, 672022), (403, 413552), (496, 336011), (806, 206776), (1612, 103388), (3224, 51694), (6448, 25847)]