128021236

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^2\times {\mathrm{907}}^1$

素因数の和:1060

約数の個数: 36

約数和(自身を含む): 259985824

約数和(自身を除く): 131964588

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 907, 994, 1814, 1988, 3628, 5041, 6349, 10082, 12698, 20164, 25396, 35287, 64397, 70574, 128794, 141148, 257588, 450779, 901558, 1803116, 4572187, 9144374, 18288748, 32005309, 64010618, 128021236]

約数ペア:

[(1, 128021236), (2, 64010618), (4, 32005309), (7, 18288748), (14, 9144374), (28, 4572187), (71, 1803116), (142, 901558), (284, 450779), (497, 257588), (907, 141148), (994, 128794), (1814, 70574), (1988, 64397), (3628, 35287), (5041, 25396), (6349, 20164), (10082, 12698)]