38540788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 81902016

約数和(自身を除く): 43361228

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 73, 142, 143, 146, 169, 284, 286, 292, 338, 572, 676, 781, 803, 923, 949, 1562, 1606, 1846, 1859, 1898, 3124, 3212, 3692, 3718, 3796, 5183, 7436, 10153, 10366, 10439, 11999, 12337, 20306, 20732, 20878, 23998, 24674, 40612, 41756, 47996, 49348, 57013, 67379, 114026, 131989, 134758, 135707, 228052, 263978, 269516, 271414, 527956, 542828, 741169, 875927, 1482338, 1751854, 2964676, 3503708, 9635197, 19270394, 38540788]

約数ペア:

[(1, 38540788), (2, 19270394), (4, 9635197), (11, 3503708), (13, 2964676), (22, 1751854), (26, 1482338), (44, 875927), (52, 741169), (71, 542828), (73, 527956), (142, 271414), (143, 269516), (146, 263978), (169, 228052), (284, 135707), (286, 134758), (292, 131989), (338, 114026), (572, 67379), (676, 57013), (781, 49348), (803, 47996), (923, 41756), (949, 40612), (1562, 24674), (1606, 23998), (1846, 20878), (1859, 20732), (1898, 20306), (3124, 12337), (3212, 11999), (3692, 10439), (3718, 10366), (3796, 10153), (5183, 7436)]