128464672

素因数分解:

$2^5\times 7^2\times {\mathrm{81929}}^1$

素因数の和:81953

約数の個数: 36

約数和(自身を含む): 294210630

約数和(自身を除く): 165745958

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 81929, 163858, 327716, 573503, 655432, 1147006, 1310864, 2294012, 2621728, 4014521, 4588024, 8029042, 9176048, 16058084, 18352096, 32116168, 64232336, 128464672]

約数ペア:

[(1, 128464672), (2, 64232336), (4, 32116168), (7, 18352096), (8, 16058084), (14, 9176048), (16, 8029042), (28, 4588024), (32, 4014521), (49, 2621728), (56, 2294012), (98, 1310864), (112, 1147006), (196, 655432), (224, 573503), (392, 327716), (784, 163858), (1568, 81929)]