208132309

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 282931200

約数和(自身を除く): 74798891

約数列:

[1, 7, 11, 17, 47, 77, 119, 187, 199, 289, 329, 517, 799, 1309, 1393, 2023, 2189, 3179, 3383, 3619, 5593, 8789, 9353, 13583, 15323, 22253, 23681, 37213, 57511, 61523, 65471, 95081, 102883, 149413, 159001, 260491, 402577, 632621, 720181, 1045891, 1113007, 1749011, 2703017, 4428347, 12243077, 18921119, 29733187, 208132309]

約数ペア:

[(1, 208132309), (7, 29733187), (11, 18921119), (17, 12243077), (47, 4428347), (77, 2703017), (119, 1749011), (187, 1113007), (199, 1045891), (289, 720181), (329, 632621), (517, 402577), (799, 260491), (1309, 159001), (1393, 149413), (2023, 102883), (2189, 95081), (3179, 65471), (3383, 61523), (3619, 57511), (5593, 37213), (8789, 23681), (9353, 22253), (13583, 15323)]