1938403761

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 3120353280

約数和(自身を除く): 1181949519

約数列:

[1, 3, 7, 21, 29, 87, 107, 151, 197, 203, 321, 453, 591, 609, 749, 1057, 1379, 2247, 3103, 3171, 4137, 4379, 5713, 9309, 13137, 16157, 17139, 21079, 21721, 29747, 30653, 39991, 48471, 63237, 65163, 89241, 91959, 113099, 119973, 147553, 208229, 339297, 442659, 468553, 611291, 624687, 862663, 1405659, 1833873, 2587989, 3182929, 3279871, 4279037, 6038641, 9548787, 9839613, 12837111, 18115923, 22280503, 66841509, 92304941, 276914823, 646134587, 1938403761]

約数ペア:

[(1, 1938403761), (3, 646134587), (7, 276914823), (21, 92304941), (29, 66841509), (87, 22280503), (107, 18115923), (151, 12837111), (197, 9839613), (203, 9548787), (321, 6038641), (453, 4279037), (591, 3279871), (609, 3182929), (749, 2587989), (1057, 1833873), (1379, 1405659), (2247, 862663), (3103, 624687), (3171, 611291), (4137, 468553), (4379, 442659), (5713, 339297), (9309, 208229), (13137, 147553), (16157, 119973), (17139, 113099), (21079, 91959), (21721, 89241), (29747, 65163), (30653, 63237), (39991, 48471)]