53338538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 90782208

約数和(自身を除く): 37443670

約数列:

[1, 2, 11, 22, 31, 62, 197, 341, 394, 397, 682, 794, 2167, 4334, 4367, 6107, 8734, 12214, 12307, 24614, 67177, 78209, 134354, 135377, 156418, 270754, 860299, 1720598, 2424479, 4848958, 26669269, 53338538]

約数ペア:

[(1, 53338538), (2, 26669269), (11, 4848958), (22, 2424479), (31, 1720598), (62, 860299), (197, 270754), (341, 156418), (394, 135377), (397, 134354), (682, 78209), (794, 67177), (2167, 24614), (4334, 12307), (4367, 12214), (6107, 8734)]