28890872

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{25981}}^1$

素因数の和:26126

約数の個数: 16

約数和(自身を含む): 54562200

約数和(自身を除く): 25671328

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 25981, 51962, 103924, 207848, 3611359, 7222718, 14445436, 28890872]

約数ペア:

[(1, 28890872), (2, 14445436), (4, 7222718), (8, 3611359), (139, 207848), (278, 103924), (556, 51962), (1112, 25981)]