257063736

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{587}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 655361280

約数和(自身を除く): 398297544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 257, 284, 426, 514, 568, 587, 771, 852, 1028, 1174, 1542, 1704, 1761, 2056, 2348, 3084, 3522, 4696, 6168, 7044, 14088, 18247, 36494, 41677, 54741, 72988, 83354, 109482, 125031, 145976, 150859, 166708, 218964, 250062, 301718, 333416, 437928, 452577, 500124, 603436, 905154, 1000248, 1206872, 1810308, 3620616, 10710989, 21421978, 32132967, 42843956, 64265934, 85687912, 128531868, 257063736]

約数ペア:

[(1, 257063736), (2, 128531868), (3, 85687912), (4, 64265934), (6, 42843956), (8, 32132967), (12, 21421978), (24, 10710989), (71, 3620616), (142, 1810308), (213, 1206872), (257, 1000248), (284, 905154), (426, 603436), (514, 500124), (568, 452577), (587, 437928), (771, 333416), (852, 301718), (1028, 250062), (1174, 218964), (1542, 166708), (1704, 150859), (1761, 145976), (2056, 125031), (2348, 109482), (3084, 83354), (3522, 72988), (4696, 54741), (6168, 41677), (7044, 36494), (14088, 18247)]