256573008

素因数分解:

$2^4\times 3^6\times {\mathrm{21997}}^1$

素因数の和:22023

約数の個数: 70

約数和(自身を含む): 745358234

約数和(自身を除く): 488785226

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 729, 972, 1296, 1458, 1944, 2916, 3888, 5832, 11664, 21997, 43994, 65991, 87988, 131982, 175976, 197973, 263964, 351952, 395946, 527928, 593919, 791892, 1055856, 1187838, 1583784, 1781757, 2375676, 3167568, 3563514, 4751352, 5345271, 7127028, 9502704, 10690542, 14254056, 16035813, 21381084, 28508112, 32071626, 42762168, 64143252, 85524336, 128286504, 256573008]

約数ペア:

[(1, 256573008), (2, 128286504), (3, 85524336), (4, 64143252), (6, 42762168), (8, 32071626), (9, 28508112), (12, 21381084), (16, 16035813), (18, 14254056), (24, 10690542), (27, 9502704), (36, 7127028), (48, 5345271), (54, 4751352), (72, 3563514), (81, 3167568), (108, 2375676), (144, 1781757), (162, 1583784), (216, 1187838), (243, 1055856), (324, 791892), (432, 593919), (486, 527928), (648, 395946), (729, 351952), (972, 263964), (1296, 197973), (1458, 175976), (1944, 131982), (2916, 87988), (3888, 65991), (5832, 43994), (11664, 21997)]