2166142391

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163643}}^1$

素因数の和:163742

約数の個数: 16

約数和(自身を含む): 2597357568

約数和(自身を除く): 431215177

約数列:

[1, 7, 31, 61, 217, 427, 1891, 13237, 163643, 1145501, 5072933, 9982223, 35510531, 69875561, 309448913, 2166142391]

約数ペア:

[(1, 2166142391), (7, 309448913), (31, 69875561), (61, 35510531), (217, 9982223), (427, 5072933), (1891, 1145501), (13237, 163643)]