209215517

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{16217}}^1$

素因数の和:16340

約数の個数: 16

約数和(自身を含む): 254298240

約数和(自身を除く): 45082723

約数列:

[1, 7, 19, 97, 133, 679, 1843, 12901, 16217, 113519, 308123, 1573049, 2156861, 11011343, 29887931, 209215517]

約数ペア:

[(1, 209215517), (7, 29887931), (19, 11011343), (97, 2156861), (133, 1573049), (679, 308123), (1843, 113519), (12901, 16217)]