2178661364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1\times {\mathrm{653}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 4197989376

約数和(自身を除く): 2019328012

約数列:

[1, 2, 4, 11, 22, 44, 191, 382, 397, 653, 764, 794, 1306, 1588, 2101, 2612, 4202, 4367, 7183, 8404, 8734, 14366, 17468, 28732, 75827, 124723, 151654, 249446, 259241, 303308, 498892, 518482, 834097, 1036964, 1371953, 1668194, 2743906, 2851651, 3336388, 5487812, 5703302, 11406604, 49515031, 99030062, 198060124, 544665341, 1089330682, 2178661364]

約数ペア:

[(1, 2178661364), (2, 1089330682), (4, 544665341), (11, 198060124), (22, 99030062), (44, 49515031), (191, 11406604), (382, 5703302), (397, 5487812), (653, 3336388), (764, 2851651), (794, 2743906), (1306, 1668194), (1588, 1371953), (2101, 1036964), (2612, 834097), (4202, 518482), (4367, 498892), (7183, 303308), (8404, 259241), (8734, 249446), (14366, 151654), (17468, 124723), (28732, 75827)]