254147047

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{21023}}^1$

素因数の和:21198

約数の個数: 16

約数和(自身を含む): 318892032

約数和(自身を除く): 64744985

約数列:

[1, 7, 11, 77, 157, 1099, 1727, 12089, 21023, 147161, 231253, 1618771, 3300611, 23104277, 36306721, 254147047]

約数ペア:

[(1, 254147047), (7, 36306721), (11, 23104277), (77, 3300611), (157, 1618771), (1099, 231253), (1727, 147161), (12089, 21023)]