388655241

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{30853}}^1$

素因数の和:30905

約数の個数: 32

約数和(自身を含む): 622016640

約数和(自身を除く): 233361399

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 4199, 12597, 30853, 92559, 401089, 524501, 586207, 1203267, 1573503, 1758621, 6818513, 7620691, 9965519, 20455539, 22862073, 29896557, 129551747, 388655241]

約数ペア:

[(1, 388655241), (3, 129551747), (13, 29896557), (17, 22862073), (19, 20455539), (39, 9965519), (51, 7620691), (57, 6818513), (221, 1758621), (247, 1573503), (323, 1203267), (663, 586207), (741, 524501), (969, 401089), (4199, 92559), (12597, 30853)]