139643728

素因数分解:

$2^4\times 7^2\times {\mathrm{178117}}^1$

素因数の和:178139

約数の個数: 30

約数和(自身を含む): 314734506

約数和(自身を除く): 175090778

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 178117, 356234, 712468, 1246819, 1424936, 2493638, 2849872, 4987276, 8727733, 9974552, 17455466, 19949104, 34910932, 69821864, 139643728]

約数ペア:

[(1, 139643728), (2, 69821864), (4, 34910932), (7, 19949104), (8, 17455466), (14, 9974552), (16, 8727733), (28, 4987276), (49, 2849872), (56, 2493638), (98, 1424936), (112, 1246819), (196, 712468), (392, 356234), (784, 178117)]