211999088

素因数分解:

$2^4\times 7^2\times {\mathrm{270407}}^1$

素因数の和:270429

約数の個数: 30

約数和(自身を含む): 477810936

約数和(自身を除く): 265811848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 270407, 540814, 1081628, 1892849, 2163256, 3785698, 4326512, 7571396, 13249943, 15142792, 26499886, 30285584, 52999772, 105999544, 211999088]

約数ペア:

[(1, 211999088), (2, 105999544), (4, 52999772), (7, 30285584), (8, 26499886), (14, 15142792), (16, 13249943), (28, 7571396), (49, 4326512), (56, 3785698), (98, 2163256), (112, 1892849), (196, 1081628), (392, 540814), (784, 270407)]