1286551427

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1\times {\mathrm{457}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 1581089280

約数和(自身を除く): 294537853

約数列:

[1, 7, 19, 61, 133, 347, 427, 457, 1159, 2429, 3199, 6593, 8113, 8683, 21167, 27877, 46151, 60781, 148169, 158579, 195139, 402173, 529663, 1110053, 2815211, 3013001, 3707641, 9673319, 21091007, 67713233, 183793061, 1286551427]

約数ペア:

[(1, 1286551427), (7, 183793061), (19, 67713233), (61, 21091007), (133, 9673319), (347, 3707641), (427, 3013001), (457, 2815211), (1159, 1110053), (2429, 529663), (3199, 402173), (6593, 195139), (8113, 158579), (8683, 148169), (21167, 60781), (27877, 46151)]