201985147

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 260789760

約数和(自身を除く): 58804613

約数列:

[1, 7, 13, 41, 43, 91, 287, 301, 533, 559, 1259, 1763, 3731, 3913, 8813, 12341, 16367, 22919, 51619, 54137, 114569, 160433, 361333, 378959, 671047, 703781, 2219617, 4697329, 4926467, 15537319, 28855021, 201985147]

約数ペア:

[(1, 201985147), (7, 28855021), (13, 15537319), (41, 4926467), (43, 4697329), (91, 2219617), (287, 703781), (301, 671047), (533, 378959), (559, 361333), (1259, 160433), (1763, 114569), (3731, 54137), (3913, 51619), (8813, 22919), (12341, 16367)]