257291952

素因数分解:

$2^4\times 3^1\times {\mathrm{257}}^1\times {\mathrm{20857}}^1$

素因数の和:21125

約数の個数: 40

約数和(自身を含む): 667289136

約数和(自身を除く): 409997184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 257, 514, 771, 1028, 1542, 2056, 3084, 4112, 6168, 12336, 20857, 41714, 62571, 83428, 125142, 166856, 250284, 333712, 500568, 1001136, 5360249, 10720498, 16080747, 21440996, 32161494, 42881992, 64322988, 85763984, 128645976, 257291952]

約数ペア:

[(1, 257291952), (2, 128645976), (3, 85763984), (4, 64322988), (6, 42881992), (8, 32161494), (12, 21440996), (16, 16080747), (24, 10720498), (48, 5360249), (257, 1001136), (514, 500568), (771, 333712), (1028, 250284), (1542, 166856), (2056, 125142), (3084, 83428), (4112, 62571), (6168, 41714), (12336, 20857)]