209898434

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{677}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 341712000

約数和(自身を除く): 131813566

約数列:

[1, 2, 19, 38, 41, 82, 199, 398, 677, 779, 1354, 1558, 3781, 7562, 8159, 12863, 16318, 25726, 27757, 55514, 134723, 155021, 269446, 310042, 527383, 1054766, 2559737, 5119474, 5523643, 11047286, 104949217, 209898434]

約数ペア:

[(1, 209898434), (2, 104949217), (19, 11047286), (38, 5523643), (41, 5119474), (82, 2559737), (199, 1054766), (398, 527383), (677, 310042), (779, 269446), (1354, 155021), (1558, 134723), (3781, 55514), (7562, 27757), (8159, 25726), (12863, 16318)]