2221828

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1087}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 4508672

約数和(自身を除く): 2286844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 1087, 2044, 2174, 4348, 7609, 15218, 30436, 79351, 158702, 317404, 555457, 1110914, 2221828]

約数ペア:

[(1, 2221828), (2, 1110914), (4, 555457), (7, 317404), (14, 158702), (28, 79351), (73, 30436), (146, 15218), (292, 7609), (511, 4348), (1022, 2174), (1087, 2044)]