261236567

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{16829}}^1$

素因数の和:16910

約数の個数: 12

約数和(自身を含む): 282138120

約数和(自身を除く): 20901553

約数列:

[1, 19, 43, 361, 817, 15523, 16829, 319751, 723647, 6075269, 13749293, 261236567]

約数ペア:

[(1, 261236567), (19, 13749293), (43, 6075269), (361, 723647), (817, 319751), (15523, 16829)]