131266128

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{390673}}^1$

素因数の和:390691

約数の個数: 40

約数和(自身を含む): 387548608

約数和(自身を除く): 256282480

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 390673, 781346, 1172019, 1562692, 2344038, 2734711, 3125384, 4688076, 5469422, 6250768, 8204133, 9376152, 10938844, 16408266, 18752304, 21877688, 32816532, 43755376, 65633064, 131266128]

約数ペア:

[(1, 131266128), (2, 65633064), (3, 43755376), (4, 32816532), (6, 21877688), (7, 18752304), (8, 16408266), (12, 10938844), (14, 9376152), (16, 8204133), (21, 6250768), (24, 5469422), (28, 4688076), (42, 3125384), (48, 2734711), (56, 2344038), (84, 1562692), (112, 1172019), (168, 781346), (336, 390673)]