247842784

素因数分解:

$2^5\times 7^2\times {\mathrm{263}}^1\times {\mathrm{601}}^1$

素因数の和:888

約数の個数: 72

約数和(自身を含む): 570710448

約数和(自身を除く): 322867664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 263, 392, 526, 601, 784, 1052, 1202, 1568, 1841, 2104, 2404, 3682, 4207, 4208, 4808, 7364, 8414, 8416, 9616, 12887, 14728, 16828, 19232, 25774, 29449, 29456, 33656, 51548, 58898, 58912, 67312, 103096, 117796, 134624, 158063, 206192, 235592, 316126, 412384, 471184, 632252, 942368, 1106441, 1264504, 2212882, 2529008, 4425764, 5058016, 7745087, 8851528, 15490174, 17703056, 30980348, 35406112, 61960696, 123921392, 247842784]

約数ペア:

[(1, 247842784), (2, 123921392), (4, 61960696), (7, 35406112), (8, 30980348), (14, 17703056), (16, 15490174), (28, 8851528), (32, 7745087), (49, 5058016), (56, 4425764), (98, 2529008), (112, 2212882), (196, 1264504), (224, 1106441), (263, 942368), (392, 632252), (526, 471184), (601, 412384), (784, 316126), (1052, 235592), (1202, 206192), (1568, 158063), (1841, 134624), (2104, 117796), (2404, 103096), (3682, 67312), (4207, 58912), (4208, 58898), (4808, 51548), (7364, 33656), (8414, 29456), (8416, 29449), (9616, 25774), (12887, 19232), (14728, 16828)]