28786694

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{3761}}^1$

素因数の和:3895

約数の個数: 16

約数和(自身を含む): 44692560

約数和(自身を除く): 15905866

約数列:

[1, 2, 43, 86, 89, 178, 3761, 3827, 7522, 7654, 161723, 323446, 334729, 669458, 14393347, 28786694]

約数ペア:

[(1, 28786694), (2, 14393347), (43, 669458), (86, 334729), (89, 323446), (178, 161723), (3761, 7654), (3827, 7522)]