388366237

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 465315840

約数和(自身を除く): 76949603

約数列:

[1, 7, 67, 71, 107, 109, 469, 497, 749, 763, 4757, 7169, 7303, 7597, 7739, 11663, 33299, 50183, 51121, 53179, 54173, 81641, 508999, 518513, 781421, 828073, 3562993, 3629591, 5469947, 5796511, 55480891, 388366237]

約数ペア:

[(1, 388366237), (7, 55480891), (67, 5796511), (71, 5469947), (107, 3629591), (109, 3562993), (469, 828073), (497, 781421), (749, 518513), (763, 508999), (4757, 81641), (7169, 54173), (7303, 53179), (7597, 51121), (7739, 50183), (11663, 33299)]