331382401

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{3851}}^1$

素因数の和:4524

約数の個数: 16

約数和(自身を含む): 399375360

約数和(自身を除く): 67992959

約数列:

[1, 7, 19, 133, 647, 3851, 4529, 12293, 26957, 73169, 86051, 512183, 2491597, 17441179, 47340343, 331382401]

約数ペア:

[(1, 331382401), (7, 47340343), (19, 17441179), (133, 2491597), (647, 512183), (3851, 86051), (4529, 73169), (12293, 26957)]