2109208075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 2870816256

約数和(自身を除く): 761608181

約数列:

[1, 5, 13, 25, 65, 107, 131, 325, 463, 535, 655, 1391, 1703, 2315, 2675, 3275, 6019, 6955, 8515, 11575, 14017, 30095, 34775, 42575, 49541, 60653, 70085, 150475, 182221, 247705, 303265, 350425, 644033, 788489, 911105, 1238525, 1516325, 3220165, 3942445, 4555525, 6489871, 16100825, 19712225, 32449355, 84368323, 162246775, 421841615, 2109208075]

約数ペア:

[(1, 2109208075), (5, 421841615), (13, 162246775), (25, 84368323), (65, 32449355), (107, 19712225), (131, 16100825), (325, 6489871), (463, 4555525), (535, 3942445), (655, 3220165), (1391, 1516325), (1703, 1238525), (2315, 911105), (2675, 788489), (3275, 644033), (6019, 350425), (6955, 303265), (8515, 247705), (11575, 182221), (14017, 150475), (30095, 70085), (34775, 60653), (42575, 49541)]