257130288

素因数分解:

$2^4\times 3^4\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1216

約数の個数: 100

約数和(自身を含む): 748699600

約数和(自身を除く): 491569312

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, 997, 1194, 1296, 1592, 1791, 1994, 2388, 2991, 3184, 3582, 3988, 4776, 5373, 5982, 7164, 7976, 8973, 9552, 10746, 11964, 14328, 15952, 16119, 17946, 21492, 23928, 26919, 28656, 32238, 35892, 42984, 47856, 53838, 64476, 71784, 80757, 85968, 107676, 128952, 143568, 161514, 198403, 215352, 257904, 323028, 396806, 430704, 595209, 646056, 793612, 1190418, 1292112, 1587224, 1785627, 2380836, 3174448, 3571254, 4761672, 5356881, 7142508, 9523344, 10713762, 14285016, 16070643, 21427524, 28570032, 32141286, 42855048, 64282572, 85710096, 128565144, 257130288]

約数ペア:

[(1, 257130288), (2, 128565144), (3, 85710096), (4, 64282572), (6, 42855048), (8, 32141286), (9, 28570032), (12, 21427524), (16, 16070643), (18, 14285016), (24, 10713762), (27, 9523344), (36, 7142508), (48, 5356881), (54, 4761672), (72, 3571254), (81, 3174448), (108, 2380836), (144, 1785627), (162, 1587224), (199, 1292112), (216, 1190418), (324, 793612), (398, 646056), (432, 595209), (597, 430704), (648, 396806), (796, 323028), (997, 257904), (1194, 215352), (1296, 198403), (1592, 161514), (1791, 143568), (1994, 128952), (2388, 107676), (2991, 85968), (3184, 80757), (3582, 71784), (3988, 64476), (4776, 53838), (5373, 47856), (5982, 42984), (7164, 35892), (7976, 32238), (8973, 28656), (9552, 26919), (10746, 23928), (11964, 21492), (14328, 17946), (15952, 16119)]