28187254

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{2473}}^1$

素因数の和:2655

約数の個数: 16

約数和(自身を含む): 43641360

約数和(自身を除く): 15454106

約数列:

[1, 2, 41, 82, 139, 278, 2473, 4946, 5699, 11398, 101393, 202786, 343747, 687494, 14093627, 28187254]

約数ペア:

[(1, 28187254), (2, 14093627), (41, 687494), (82, 343747), (139, 202786), (278, 101393), (2473, 11398), (4946, 5699)]