666284227007

素因数分解:

$7^1\times {\mathrm{37}}^2\times {\mathrm{239}}^1\times {\mathrm{421}}^1\times {\mathrm{691}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 788885314560

約数和(自身を除く): 122601087553

約数列:

[1, 7, 37, 239, 259, 421, 691, 1369, 1673, 2947, 4837, 8843, 9583, 15577, 25567, 61901, 100619, 109039, 165149, 178969, 290911, 327191, 576349, 704333, 945979, 1156043, 2036377, 2290337, 3722903, 4034443, 6110513, 6621853, 10763707, 26060321, 42773591, 69527729, 75345949, 137747411, 226088981, 398257159, 486694103, 964231877, 1582622867, 2572525973, 2787800113, 18007681811, 95183461001, 666284227007]

約数ペア:

[(1, 666284227007), (7, 95183461001), (37, 18007681811), (239, 2787800113), (259, 2572525973), (421, 1582622867), (691, 964231877), (1369, 486694103), (1673, 398257159), (2947, 226088981), (4837, 137747411), (8843, 75345949), (9583, 69527729), (15577, 42773591), (25567, 26060321), (61901, 10763707), (100619, 6621853), (109039, 6110513), (165149, 4034443), (178969, 3722903), (290911, 2290337), (327191, 2036377), (576349, 1156043), (704333, 945979)]