221791825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{6089}}^1$

素因数の和:6177

約数の個数: 24

約数和(自身を含む): 289981440

約数和(自身を除く): 68189615

約数列:

[1, 5, 25, 31, 47, 155, 235, 775, 1175, 1457, 6089, 7285, 30445, 36425, 152225, 188759, 286183, 943795, 1430915, 4718975, 7154575, 8871673, 44358365, 221791825]

約数ペア:

[(1, 221791825), (5, 44358365), (25, 8871673), (31, 7154575), (47, 4718975), (155, 1430915), (235, 943795), (775, 286183), (1175, 188759), (1457, 152225), (6089, 36425), (7285, 30445)]