27991645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{5039}}^1$

素因数の和:5156

約数の個数: 16

約数和(自身を含む): 37013760

約数和(自身を除く): 9022115

約数列:

[1, 5, 11, 55, 101, 505, 1111, 5039, 5555, 25195, 55429, 277145, 508939, 2544695, 5598329, 27991645]

約数ペア:

[(1, 27991645), (5, 5598329), (11, 2544695), (55, 508939), (101, 277145), (505, 55429), (1111, 25195), (5039, 5555)]