28758457

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16633}}^1$

素因数の和:16672

約数の個数: 16

約数和(自身を含む): 37260160

約数和(自身を除く): 8501703

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16633, 116431, 216229, 316027, 1513603, 2212189, 4108351, 28758457]

約数ペア:

[(1, 28758457), (7, 4108351), (13, 2212189), (19, 1513603), (91, 316027), (133, 216229), (247, 116431), (1729, 16633)]