641585164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1423}}^1\times {\mathrm{10247}}^1$

素因数の和:11685

約数の個数: 24

約数和(自身を含む): 1225824768

約数和(自身を除く): 584239604

約数列:

[1, 2, 4, 11, 22, 44, 1423, 2846, 5692, 10247, 15653, 20494, 31306, 40988, 62612, 112717, 225434, 450868, 14581481, 29162962, 58325924, 160396291, 320792582, 641585164]

約数ペア:

[(1, 641585164), (2, 320792582), (4, 160396291), (11, 58325924), (22, 29162962), (44, 14581481), (1423, 450868), (2846, 225434), (5692, 112717), (10247, 62612), (15653, 40988), (20494, 31306)]