28403984

素因数分解:

$2^4\times 7^1\times {\mathrm{253607}}^1$

素因数の和:253622

約数の個数: 20

約数和(自身を含む): 62894784

約数和(自身を除く): 34490800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 253607, 507214, 1014428, 1775249, 2028856, 3550498, 4057712, 7100996, 14201992, 28403984]

約数ペア:

[(1, 28403984), (2, 14201992), (4, 7100996), (7, 4057712), (8, 3550498), (14, 2028856), (16, 1775249), (28, 1014428), (56, 507214), (112, 253607)]