200991791

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1009}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 271488000

約数和(自身を除く): 70496209

約数列:

[1, 7, 11, 13, 77, 91, 143, 199, 1001, 1009, 1393, 2189, 2587, 7063, 11099, 13117, 15323, 18109, 28457, 77693, 91819, 144287, 199199, 200791, 1010009, 1405537, 2208701, 2610283, 15460907, 18271981, 28713113, 200991791]

約数ペア:

[(1, 200991791), (7, 28713113), (11, 18271981), (13, 15460907), (77, 2610283), (91, 2208701), (143, 1405537), (199, 1010009), (1001, 200791), (1009, 199199), (1393, 144287), (2189, 91819), (2587, 77693), (7063, 28457), (11099, 18109), (13117, 15323)]