206431463

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 254361600

約数和(自身を除く): 47930137

約数列:

[1, 7, 23, 49, 137, 161, 191, 343, 959, 1127, 1337, 3151, 4393, 6713, 7889, 9359, 22057, 26167, 30751, 46991, 65513, 154399, 183169, 215257, 601841, 1080793, 1282183, 1506799, 4212887, 8975281, 29490209, 206431463]

約数ペア:

[(1, 206431463), (7, 29490209), (23, 8975281), (49, 4212887), (137, 1506799), (161, 1282183), (191, 1080793), (343, 601841), (959, 215257), (1127, 183169), (1337, 154399), (3151, 65513), (4393, 46991), (6713, 30751), (7889, 26167), (9359, 22057)]