15987188

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2389}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 32121600

約数和(自身を除く): 16134412

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 2389, 3346, 4778, 6692, 9556, 16723, 33446, 66892, 570971, 1141942, 2283884, 3996797, 7993594, 15987188]

約数ペア:

[(1, 15987188), (2, 7993594), (4, 3996797), (7, 2283884), (14, 1141942), (28, 570971), (239, 66892), (478, 33446), (956, 16723), (1673, 9556), (2389, 6692), (3346, 4778)]