201557993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 267563520

約数和(自身を除く): 66005527

約数列:

[1, 7, 13, 23, 53, 79, 91, 161, 299, 371, 529, 553, 689, 1027, 1219, 1817, 2093, 3703, 4187, 4823, 6877, 7189, 8533, 12719, 15847, 23621, 28037, 29309, 41791, 48139, 54431, 96301, 110929, 165347, 196259, 292537, 364481, 381017, 543283, 674107, 1251913, 2214923, 2551367, 3802981, 8763391, 15504461, 28793999, 201557993]

約数ペア:

[(1, 201557993), (7, 28793999), (13, 15504461), (23, 8763391), (53, 3802981), (79, 2551367), (91, 2214923), (161, 1251913), (299, 674107), (371, 543283), (529, 381017), (553, 364481), (689, 292537), (1027, 196259), (1219, 165347), (1817, 110929), (2093, 96301), (3703, 54431), (4187, 48139), (4823, 41791), (6877, 29309), (7189, 28037), (8533, 23621), (12719, 15847)]