222912389

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{72871}}^1$

素因数の和:72920

約数の個数: 16

約数和(自身を含む): 279828480

約数和(自身を除く): 56916091

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 72871, 510097, 1384549, 1676033, 9691843, 11732231, 31844627, 222912389]

約数ペア:

[(1, 222912389), (7, 31844627), (19, 11732231), (23, 9691843), (133, 1676033), (161, 1384549), (437, 510097), (3059, 72871)]