128222717

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{1297}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 152021760

約数和(自身を除く): 23799043

約数列:

[1, 7, 29, 203, 487, 1297, 3409, 9079, 14123, 37613, 98861, 263291, 631639, 4421473, 18317531, 128222717]

約数ペア:

[(1, 128222717), (7, 18317531), (29, 4421473), (203, 631639), (487, 263291), (1297, 98861), (3409, 37613), (9079, 14123)]