128855416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{3547}}^1$

素因数の和:3811

約数の個数: 32

約数和(自身を含む): 255456000

約数和(自身を除く): 126600584

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 239, 478, 956, 1912, 3547, 4541, 7094, 9082, 14188, 18164, 28376, 36328, 67393, 134786, 269572, 539144, 847733, 1695466, 3390932, 6781864, 16106927, 32213854, 64427708, 128855416]

約数ペア:

[(1, 128855416), (2, 64427708), (4, 32213854), (8, 16106927), (19, 6781864), (38, 3390932), (76, 1695466), (152, 847733), (239, 539144), (478, 269572), (956, 134786), (1912, 67393), (3547, 36328), (4541, 28376), (7094, 18164), (9082, 14188)]