168643943

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 198912000

約数和(自身を除く): 30268057

約数列:

[1, 13, 19, 47, 73, 199, 247, 611, 893, 949, 1387, 2587, 3431, 3781, 9353, 11609, 14527, 18031, 44603, 49153, 65189, 121589, 177707, 188851, 276013, 682769, 847457, 2310191, 3588169, 8875997, 12972611, 168643943]

約数ペア:

[(1, 168643943), (13, 12972611), (19, 8875997), (47, 3588169), (73, 2310191), (199, 847457), (247, 682769), (611, 276013), (893, 188851), (949, 177707), (1387, 121589), (2587, 65189), (3431, 49153), (3781, 44603), (9353, 18031), (11609, 14527)]