2138444

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 4790016

約数和(自身を除く): 2651572

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 53, 77, 106, 131, 154, 212, 262, 308, 371, 524, 583, 742, 917, 1166, 1441, 1484, 1834, 2332, 2882, 3668, 4081, 5764, 6943, 8162, 10087, 13886, 16324, 20174, 27772, 40348, 48601, 76373, 97202, 152746, 194404, 305492, 534611, 1069222, 2138444]

約数ペア:

[(1, 2138444), (2, 1069222), (4, 534611), (7, 305492), (11, 194404), (14, 152746), (22, 97202), (28, 76373), (44, 48601), (53, 40348), (77, 27772), (106, 20174), (131, 16324), (154, 13886), (212, 10087), (262, 8162), (308, 6943), (371, 5764), (524, 4081), (583, 3668), (742, 2882), (917, 2332), (1166, 1834), (1441, 1484)]