257297184

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{12583}}^1$

素因数の和:12670

約数の個数: 72

約数和(自身を含む): 742053312

約数和(自身を除く): 484756128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1704, 2272, 2556, 3408, 5112, 6816, 10224, 12583, 20448, 25166, 37749, 50332, 75498, 100664, 113247, 150996, 201328, 226494, 301992, 402656, 452988, 603984, 893393, 905976, 1207968, 1786786, 1811952, 2680179, 3573572, 3623904, 5360358, 7147144, 8040537, 10720716, 14294288, 16081074, 21441432, 28588576, 32162148, 42882864, 64324296, 85765728, 128648592, 257297184]

約数ペア:

[(1, 257297184), (2, 128648592), (3, 85765728), (4, 64324296), (6, 42882864), (8, 32162148), (9, 28588576), (12, 21441432), (16, 16081074), (18, 14294288), (24, 10720716), (32, 8040537), (36, 7147144), (48, 5360358), (71, 3623904), (72, 3573572), (96, 2680179), (142, 1811952), (144, 1786786), (213, 1207968), (284, 905976), (288, 893393), (426, 603984), (568, 452988), (639, 402656), (852, 301992), (1136, 226494), (1278, 201328), (1704, 150996), (2272, 113247), (2556, 100664), (3408, 75498), (5112, 50332), (6816, 37749), (10224, 25166), (12583, 20448)]