208073257

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1039}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 249924480

約数和(自身を除く): 41851223

約数列:

[1, 7, 49, 61, 67, 427, 469, 1039, 2989, 3283, 4087, 7273, 28609, 50911, 63379, 69613, 200263, 443653, 487291, 3105571, 3411037, 4246393, 29724751, 208073257]

約数ペア:

[(1, 208073257), (7, 29724751), (49, 4246393), (61, 3411037), (67, 3105571), (427, 487291), (469, 443653), (1039, 200263), (2989, 69613), (3283, 63379), (4087, 50911), (7273, 28609)]