220181899

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{24709}}^1$

素因数の和:24802

約数の個数: 16

約数和(自身を含む): 268844800

約数和(自身を除く): 48662901

約数列:

[1, 7, 19, 67, 133, 469, 1273, 8911, 24709, 172963, 469471, 1655503, 3286297, 11588521, 31454557, 220181899]

約数ペア:

[(1, 220181899), (7, 31454557), (19, 11588521), (67, 3286297), (133, 1655503), (469, 469471), (1273, 172963), (8911, 24709)]