28696213

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2371}}^1$

素因数の和:2417

約数の個数: 24

約数和(自身を含む): 37857120

約数和(自身を除く): 9160907

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1729, 2371, 12103, 16597, 30823, 45049, 116179, 215761, 315343, 585637, 1510327, 2207401, 4099459, 28696213]

約数ペア:

[(1, 28696213), (7, 4099459), (13, 2207401), (19, 1510327), (49, 585637), (91, 315343), (133, 215761), (247, 116179), (637, 45049), (931, 30823), (1729, 16597), (2371, 12103)]