399018487

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{4637}}^1$

素因数の和:5310

約数の個数: 16

約数和(自身を含む): 480867840

約数和(自身を除く): 81849353

約数列:

[1, 7, 19, 133, 647, 4529, 4637, 12293, 32459, 86051, 88103, 616721, 3000139, 21000973, 57002641, 399018487]

約数ペア:

[(1, 399018487), (7, 57002641), (19, 21000973), (133, 3000139), (647, 616721), (4529, 88103), (4637, 86051), (12293, 32459)]