2166820271

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{7793}}^1$

素因数の和:7991

約数の個数: 32

約数和(自身を含む): 2837265408

約数和(自身を除く): 670445137

約数列:

[1, 7, 11, 23, 77, 157, 161, 253, 1099, 1727, 1771, 3611, 7793, 12089, 25277, 39721, 54551, 85723, 179239, 278047, 600061, 1223501, 1254673, 1971629, 8564507, 13458511, 13801403, 28140523, 94209577, 196983661, 309545753, 2166820271]

約数ペア:

[(1, 2166820271), (7, 309545753), (11, 196983661), (23, 94209577), (77, 28140523), (157, 13801403), (161, 13458511), (253, 8564507), (1099, 1971629), (1727, 1254673), (1771, 1223501), (3611, 600061), (7793, 278047), (12089, 179239), (25277, 85723), (39721, 54551)]