206679004

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 421122240

約数和(自身を除く): 214443236

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 197, 356, 394, 421, 623, 788, 842, 1246, 1379, 1684, 2492, 2758, 2947, 5516, 5894, 11788, 17533, 35066, 37469, 70132, 74938, 82937, 122731, 149876, 165874, 245462, 262283, 331748, 490924, 524566, 580559, 1049132, 1161118, 2322236, 7381393, 14762786, 29525572, 51669751, 103339502, 206679004]

約数ペア:

[(1, 206679004), (2, 103339502), (4, 51669751), (7, 29525572), (14, 14762786), (28, 7381393), (89, 2322236), (178, 1161118), (197, 1049132), (356, 580559), (394, 524566), (421, 490924), (623, 331748), (788, 262283), (842, 245462), (1246, 165874), (1379, 149876), (1684, 122731), (2492, 82937), (2758, 74938), (2947, 70132), (5516, 37469), (5894, 35066), (11788, 17533)]