78871788

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{13441}}^1$

素因数の和:13614

約数の個数: 36

約数和(自身を含む): 200608408

約数和(自身を除く): 121736620

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 5868, 13441, 26882, 40323, 53764, 80646, 120969, 161292, 241938, 483876, 2190883, 4381766, 6572649, 8763532, 13145298, 19717947, 26290596, 39435894, 78871788]

約数ペア:

[(1, 78871788), (2, 39435894), (3, 26290596), (4, 19717947), (6, 13145298), (9, 8763532), (12, 6572649), (18, 4381766), (36, 2190883), (163, 483876), (326, 241938), (489, 161292), (652, 120969), (978, 80646), (1467, 53764), (1956, 40323), (2934, 26882), (5868, 13441)]