28111818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{669329}}^1$

素因数の和:669341

約数の個数: 16

約数和(自身を含む): 64255680

約数和(自身を除く): 36143862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 669329, 1338658, 2007987, 4015974, 4685303, 9370606, 14055909, 28111818]

約数ペア:

[(1, 28111818), (2, 14055909), (3, 9370606), (6, 4685303), (7, 4015974), (14, 2007987), (21, 1338658), (42, 669329)]