221438723

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1\times {\mathrm{631}}^1$

素因数の和:1226

約数の個数: 16

約数和(自身を含む): 246388992

約数和(自身を除く): 24950269

約数列:

[1, 11, 61, 523, 631, 671, 5753, 6941, 31903, 38491, 330013, 350933, 423401, 3630143, 20130793, 221438723]

約数ペア:

[(1, 221438723), (11, 20130793), (61, 3630143), (523, 423401), (631, 350933), (671, 330013), (5753, 38491), (6941, 31903)]