28378196

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{463}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 62361600

約数和(自身を除く): 33983404

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 199, 308, 398, 463, 796, 926, 1393, 1852, 2189, 2786, 3241, 4378, 5093, 5572, 6482, 8756, 10186, 12964, 15323, 20372, 30646, 35651, 61292, 71302, 92137, 142604, 184274, 368548, 644959, 1013507, 1289918, 2027014, 2579836, 4054028, 7094549, 14189098, 28378196]

約数ペア:

[(1, 28378196), (2, 14189098), (4, 7094549), (7, 4054028), (11, 2579836), (14, 2027014), (22, 1289918), (28, 1013507), (44, 644959), (77, 368548), (154, 184274), (199, 142604), (308, 92137), (398, 71302), (463, 61292), (796, 35651), (926, 30646), (1393, 20372), (1852, 15323), (2189, 12964), (2786, 10186), (3241, 8756), (4378, 6482), (5093, 5572)]