278330508

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{108893}}^1$

素因数の和:108974

約数の個数: 36

約数和(自身を含む): 713473488

約数和(自身を除く): 435142980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 108893, 217786, 326679, 435572, 653358, 980037, 1306716, 1960074, 3920148, 7731403, 15462806, 23194209, 30925612, 46388418, 69582627, 92776836, 139165254, 278330508]

約数ペア:

[(1, 278330508), (2, 139165254), (3, 92776836), (4, 69582627), (6, 46388418), (9, 30925612), (12, 23194209), (18, 15462806), (36, 7731403), (71, 3920148), (142, 1960074), (213, 1306716), (284, 980037), (426, 653358), (639, 435572), (852, 326679), (1278, 217786), (2556, 108893)]