28198597

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 35012736

約数和(自身を除く): 6814139

約数列:

[1, 7, 17, 53, 119, 263, 289, 371, 901, 1841, 2023, 4471, 6307, 13939, 15317, 31297, 76007, 97573, 107219, 236963, 532049, 1658741, 4028371, 28198597]

約数ペア:

[(1, 28198597), (7, 4028371), (17, 1658741), (53, 532049), (119, 236963), (263, 107219), (289, 97573), (371, 76007), (901, 31297), (1841, 15317), (2023, 13939), (4471, 6307)]