2642552638

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{521}}^1\times {\mathrm{20959}}^1$

素因数の和:21504

約数の個数: 24

約数和(自身を含む): 4365506880

約数和(自身を除く): 1722954242

約数列:

[1, 2, 11, 22, 121, 242, 521, 1042, 5731, 11462, 20959, 41918, 63041, 126082, 230549, 461098, 2536039, 5072078, 10919639, 21839278, 120116029, 240232058, 1321276319, 2642552638]

約数ペア:

[(1, 2642552638), (2, 1321276319), (11, 240232058), (22, 120116029), (121, 21839278), (242, 10919639), (521, 5072078), (1042, 2536039), (5731, 461098), (11462, 230549), (20959, 126082), (41918, 63041)]