81257856

素因数分解:

$2^7\times 3^1\times {\mathrm{61}}^1\times {\mathrm{3469}}^1$

素因数の和:3547

約数の個数: 64

約数和(自身を含む): 219442800

約数和(自身を除く): 138184944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 366, 384, 488, 732, 976, 1464, 1952, 2928, 3469, 3904, 5856, 6938, 7808, 10407, 11712, 13876, 20814, 23424, 27752, 41628, 55504, 83256, 111008, 166512, 211609, 222016, 333024, 423218, 444032, 634827, 666048, 846436, 1269654, 1332096, 1692872, 2539308, 3385744, 5078616, 6771488, 10157232, 13542976, 20314464, 27085952, 40628928, 81257856]

約数ペア:

[(1, 81257856), (2, 40628928), (3, 27085952), (4, 20314464), (6, 13542976), (8, 10157232), (12, 6771488), (16, 5078616), (24, 3385744), (32, 2539308), (48, 1692872), (61, 1332096), (64, 1269654), (96, 846436), (122, 666048), (128, 634827), (183, 444032), (192, 423218), (244, 333024), (366, 222016), (384, 211609), (488, 166512), (732, 111008), (976, 83256), (1464, 55504), (1952, 41628), (2928, 27752), (3469, 23424), (3904, 20814), (5856, 13876), (6938, 11712), (7808, 10407)]