257044024

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{3793}}^1$

素因数の和:4039

約数の個数: 32

約数和(自身を含む): 495799920

約数和(自身を除く): 238755896

約数列:

[1, 2, 4, 8, 43, 86, 172, 197, 344, 394, 788, 1576, 3793, 7586, 8471, 15172, 16942, 30344, 33884, 67768, 163099, 326198, 652396, 747221, 1304792, 1494442, 2988884, 5977768, 32130503, 64261006, 128522012, 257044024]

約数ペア:

[(1, 257044024), (2, 128522012), (4, 64261006), (8, 32130503), (43, 5977768), (86, 2988884), (172, 1494442), (197, 1304792), (344, 747221), (394, 652396), (788, 326198), (1576, 163099), (3793, 67768), (7586, 33884), (8471, 30344), (15172, 16942)]