28249277

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^2$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 34997760

約数和(自身を除く): 6748483

約数列:

[1, 7, 29, 31, 67, 203, 217, 469, 899, 1943, 2077, 4489, 6293, 13601, 14539, 31423, 60233, 130181, 139159, 421631, 911267, 974113, 4035611, 28249277]

約数ペア:

[(1, 28249277), (7, 4035611), (29, 974113), (31, 911267), (67, 421631), (203, 139159), (217, 130181), (469, 60233), (899, 31423), (1943, 14539), (2077, 13601), (4489, 6293)]