389940268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{76579}}^1$

素因数の和:76669

約数の個数: 24

約数和(自身を含む): 729041600

約数和(自身を除く): 339101332

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 5092, 76579, 153158, 306316, 1455001, 2910002, 5130793, 5820004, 10261586, 20523172, 97485067, 194970134, 389940268]

約数ペア:

[(1, 389940268), (2, 194970134), (4, 97485067), (19, 20523172), (38, 10261586), (67, 5820004), (76, 5130793), (134, 2910002), (268, 1455001), (1273, 306316), (2546, 153158), (5092, 76579)]