287383434

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{51893}}^1$

素因数の和:51982

約数の個数: 32

約数和(自身を含む): 627709824

約数和(自身を除く): 340326390

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5538, 51893, 103786, 155679, 311358, 674609, 1349218, 2023827, 3684403, 4047654, 7368806, 11053209, 22106418, 47897239, 95794478, 143691717, 287383434]

約数ペア:

[(1, 287383434), (2, 143691717), (3, 95794478), (6, 47897239), (13, 22106418), (26, 11053209), (39, 7368806), (71, 4047654), (78, 3684403), (142, 2023827), (213, 1349218), (426, 674609), (923, 311358), (1846, 155679), (2769, 103786), (5538, 51893)]