1555142394

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{21601}}^1$

素因数の和:21703

約数の個数: 48

約数和(自身を含む): 3415535424

約数和(自身を除く): 1860393030

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 169, 213, 338, 426, 507, 923, 1014, 1846, 2769, 5538, 11999, 21601, 23998, 35997, 43202, 64803, 71994, 129606, 280813, 561626, 842439, 1533671, 1684878, 3067342, 3650569, 4601013, 7301138, 9202026, 10951707, 19937723, 21903414, 39875446, 59813169, 119626338, 259190399, 518380798, 777571197, 1555142394]

約数ペア:

[(1, 1555142394), (2, 777571197), (3, 518380798), (6, 259190399), (13, 119626338), (26, 59813169), (39, 39875446), (71, 21903414), (78, 19937723), (142, 10951707), (169, 9202026), (213, 7301138), (338, 4601013), (426, 3650569), (507, 3067342), (923, 1684878), (1014, 1533671), (1846, 842439), (2769, 561626), (5538, 280813), (11999, 129606), (21601, 71994), (23998, 64803), (35997, 43202)]