2178712886

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2131813}}^1$

素因数の和:2131895

約数の個数: 16

約数和(自身を含む): 3786101664

約数和(自身を除く): 1607388778

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 2131813, 4263626, 14922691, 29845382, 155622349, 311244698, 1089356443, 2178712886]

約数ペア:

[(1, 2178712886), (2, 1089356443), (7, 311244698), (14, 155622349), (73, 29845382), (146, 14922691), (511, 4263626), (1022, 2131813)]