257904

素因数分解:

$2^4\times 3^4\times {\mathrm{199}}^1$

素因数の和:219

約数の個数: 50

約数和(自身を含む): 750200

約数和(自身を除く): 492296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 199, 216, 324, 398, 432, 597, 648, 796, 1194, 1296, 1592, 1791, 2388, 3184, 3582, 4776, 5373, 7164, 9552, 10746, 14328, 16119, 21492, 28656, 32238, 42984, 64476, 85968, 128952, 257904]

約数ペア:

[(1, 257904), (2, 128952), (3, 85968), (4, 64476), (6, 42984), (8, 32238), (9, 28656), (12, 21492), (16, 16119), (18, 14328), (24, 10746), (27, 9552), (36, 7164), (48, 5373), (54, 4776), (72, 3582), (81, 3184), (108, 2388), (144, 1791), (162, 1592), (199, 1296), (216, 1194), (324, 796), (398, 648), (432, 597)]