199488223

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1667}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 234267264

約数和(自身を除く): 34779041

約数列:

[1, 11, 23, 43, 121, 253, 473, 989, 1667, 2783, 5203, 10879, 18337, 38341, 71681, 119669, 201707, 421751, 788491, 1648663, 4639261, 8673401, 18135293, 199488223]

約数ペア:

[(1, 199488223), (11, 18135293), (23, 8673401), (43, 4639261), (121, 1648663), (253, 788491), (473, 421751), (989, 201707), (1667, 119669), (2783, 71681), (5203, 38341), (10879, 18337)]