181805228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 354600960

約数和(自身を除く): 172795732

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 193, 271, 316, 386, 542, 772, 869, 1084, 1738, 2123, 2981, 3476, 4246, 5962, 8492, 11924, 15247, 21409, 30494, 42818, 52303, 60988, 85636, 104606, 167717, 209212, 235499, 335434, 470998, 575333, 670868, 941996, 1150666, 2301332, 4131937, 8263874, 16527748, 45451307, 90902614, 181805228]

約数ペア:

[(1, 181805228), (2, 90902614), (4, 45451307), (11, 16527748), (22, 8263874), (44, 4131937), (79, 2301332), (158, 1150666), (193, 941996), (271, 670868), (316, 575333), (386, 470998), (542, 335434), (772, 235499), (869, 209212), (1084, 167717), (1738, 104606), (2123, 85636), (2981, 60988), (3476, 52303), (4246, 42818), (5962, 30494), (8492, 21409), (11924, 15247)]