128583722

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:662

約数の個数: 24

約数和(自身を含む): 201082500

約数和(自身を除く): 72498778

約数列:

[1, 2, 31, 62, 149, 298, 449, 898, 961, 1922, 4619, 9238, 13919, 27838, 66901, 133802, 143189, 286378, 431489, 862978, 2073931, 4147862, 64291861, 128583722]

約数ペア:

[(1, 128583722), (2, 64291861), (31, 4147862), (62, 2073931), (149, 862978), (298, 431489), (449, 286378), (898, 143189), (961, 133802), (1922, 66901), (4619, 27838), (9238, 13919)]