28745478

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{11489}}^1$

素因数の和:11636

約数の個数: 24

約数和(自身を含む): 62735400

約数和(自身を除く): 33989922

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 11489, 22978, 34467, 68934, 103401, 206802, 1596971, 3193942, 4790913, 9581826, 14372739, 28745478]

約数ペア:

[(1, 28745478), (2, 14372739), (3, 9581826), (6, 4790913), (9, 3193942), (18, 1596971), (139, 206802), (278, 103401), (417, 68934), (834, 34467), (1251, 22978), (2502, 11489)]