905806

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 24

約数和(自身を含む): 1580040

約数和(自身を除く): 674234

約数列:

[1, 2, 11, 19, 22, 38, 121, 197, 209, 242, 394, 418, 2167, 2299, 3743, 4334, 4598, 7486, 23837, 41173, 47674, 82346, 452903, 905806]

約数ペア:

[(1, 905806), (2, 452903), (11, 82346), (19, 47674), (22, 41173), (38, 23837), (121, 7486), (197, 4598), (209, 4334), (242, 3743), (394, 2299), (418, 2167)]