208774489

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{12973}}^1$

素因数の和:13021

約数の個数: 24

約数和(自身を含む): 276086720

約数和(自身を除く): 67312231

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 847, 1463, 2299, 12973, 16093, 90811, 142703, 246487, 998921, 1569733, 1725409, 2711357, 10988131, 18979499, 29824927, 208774489]

約数ペア:

[(1, 208774489), (7, 29824927), (11, 18979499), (19, 10988131), (77, 2711357), (121, 1725409), (133, 1569733), (209, 998921), (847, 246487), (1463, 142703), (2299, 90811), (12973, 16093)]