165534985

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 254119680

約数和(自身を除く): 88584695

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 239, 245, 257, 385, 539, 1195, 1285, 1673, 1799, 2629, 2695, 2827, 8365, 8995, 11711, 12593, 13145, 14135, 18403, 19789, 58555, 61423, 62965, 92015, 98945, 128821, 138523, 307115, 429961, 644105, 675653, 692615, 2149805, 3009727, 3378265, 4729571, 15048635, 23647855, 33106997, 165534985]

約数ペア:

[(1, 165534985), (5, 33106997), (7, 23647855), (11, 15048635), (35, 4729571), (49, 3378265), (55, 3009727), (77, 2149805), (239, 692615), (245, 675653), (257, 644105), (385, 429961), (539, 307115), (1195, 138523), (1285, 128821), (1673, 98945), (1799, 92015), (2629, 62965), (2695, 61423), (2827, 58555), (8365, 19789), (8995, 18403), (11711, 14135), (12593, 13145)]