12619985

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 18427392

約数和(自身を除く): 5807407

約数列:

[1, 5, 7, 23, 35, 61, 115, 161, 257, 305, 427, 805, 1285, 1403, 1799, 2135, 5911, 7015, 8995, 9821, 15677, 29555, 41377, 49105, 78385, 109739, 206885, 360571, 548695, 1802855, 2523997, 12619985]

約数ペア:

[(1, 12619985), (5, 2523997), (7, 1802855), (23, 548695), (35, 360571), (61, 206885), (115, 109739), (161, 78385), (257, 49105), (305, 41377), (427, 29555), (805, 15677), (1285, 9821), (1403, 8995), (1799, 7015), (2135, 5911)]