638615724

素因数分解:

$2^2\times 3^1\times {\mathrm{3371}}^1\times {\mathrm{15787}}^1$

素因数の和:19165

約数の個数: 24

約数和(自身を含む): 1490639808

約数和(自身を除く): 852024084

約数列:

[1, 2, 3, 4, 6, 12, 3371, 6742, 10113, 13484, 15787, 20226, 31574, 40452, 47361, 63148, 94722, 189444, 53217977, 106435954, 159653931, 212871908, 319307862, 638615724]

約数ペア:

[(1, 638615724), (2, 319307862), (3, 212871908), (4, 159653931), (6, 106435954), (12, 53217977), (3371, 189444), (6742, 94722), (10113, 63148), (13484, 47361), (15787, 40452), (20226, 31574)]