219974584

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{4073}}^1$

素因数の和:4279

約数の個数: 32

約数和(自身を含む): 424836720

約数和(自身を除く): 204862136

約数列:

[1, 2, 4, 8, 43, 86, 157, 172, 314, 344, 628, 1256, 4073, 6751, 8146, 13502, 16292, 27004, 32584, 54008, 175139, 350278, 639461, 700556, 1278922, 1401112, 2557844, 5115688, 27496823, 54993646, 109987292, 219974584]

約数ペア:

[(1, 219974584), (2, 109987292), (4, 54993646), (8, 27496823), (43, 5115688), (86, 2557844), (157, 1401112), (172, 1278922), (314, 700556), (344, 639461), (628, 350278), (1256, 175139), (4073, 54008), (6751, 32584), (8146, 27004), (13502, 16292)]