28974778

素因数分解:

$2^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{1091}}^1$

素因数の和:1378

約数の個数: 24

約数和(自身を含む): 50791104

約数和(自身を除く): 21816326

約数列:

[1, 2, 7, 14, 49, 98, 271, 542, 1091, 1897, 2182, 3794, 7637, 13279, 15274, 26558, 53459, 106918, 295661, 591322, 2069627, 4139254, 14487389, 28974778]

約数ペア:

[(1, 28974778), (2, 14487389), (7, 4139254), (14, 2069627), (49, 591322), (98, 295661), (271, 106918), (542, 53459), (1091, 26558), (1897, 15274), (2182, 13279), (3794, 7637)]