1988844385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{36563}}^1$

素因数の和:36645

約数の個数: 32

約数和(自身を含む): 2780034048

約数和(自身を除く): 791189663

約数列:

[1, 5, 11, 23, 43, 55, 115, 215, 253, 473, 989, 1265, 2365, 4945, 10879, 36563, 54395, 182815, 402193, 840949, 1572209, 2010965, 4204745, 7861045, 9250439, 17294299, 36160807, 46252195, 86471495, 180804035, 397768877, 1988844385]

約数ペア:

[(1, 1988844385), (5, 397768877), (11, 180804035), (23, 86471495), (43, 46252195), (55, 36160807), (115, 17294299), (215, 9250439), (253, 7861045), (473, 4204745), (989, 2010965), (1265, 1572209), (2365, 840949), (4945, 402193), (10879, 182815), (36563, 54395)]