277383841

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 342650880

約数和(自身を除く): 65267039

約数列:

[1, 7, 23, 43, 103, 161, 301, 389, 721, 989, 2369, 2723, 4429, 6923, 8947, 16583, 16727, 31003, 40067, 62629, 101867, 117089, 280469, 384721, 713069, 921541, 1722881, 2693047, 6450787, 12060167, 39626263, 277383841]

約数ペア:

[(1, 277383841), (7, 39626263), (23, 12060167), (43, 6450787), (103, 2693047), (161, 1722881), (301, 921541), (389, 713069), (721, 384721), (989, 280469), (2369, 117089), (2723, 101867), (4429, 62629), (6923, 40067), (8947, 31003), (16583, 16727)]