201689455

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 279925632

約数和(自身を除く): 78236177

約数列:

[1, 5, 11, 41, 47, 55, 121, 173, 205, 235, 451, 517, 605, 865, 1903, 1927, 2255, 2585, 4961, 5687, 7093, 8131, 9515, 9635, 20933, 21197, 24805, 28435, 35465, 40655, 78023, 89441, 104665, 105985, 233167, 333371, 390115, 447205, 858253, 983851, 1165835, 1666855, 3667081, 4291265, 4919255, 18335405, 40337891, 201689455]

約数ペア:

[(1, 201689455), (5, 40337891), (11, 18335405), (41, 4919255), (47, 4291265), (55, 3667081), (121, 1666855), (173, 1165835), (205, 983851), (235, 858253), (451, 447205), (517, 390115), (605, 333371), (865, 233167), (1903, 105985), (1927, 104665), (2255, 89441), (2585, 78023), (4961, 40655), (5687, 35465), (7093, 28435), (8131, 24805), (9515, 21197), (9635, 20933)]