139640242

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{126257}}^1$

素因数の和:126345

約数の個数: 16

約数和(自身を含む): 242415360

約数和(自身を除く): 102775118

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 126257, 252514, 883799, 1767598, 9974303, 19948606, 69820121, 139640242]

約数ペア:

[(1, 139640242), (2, 69820121), (7, 19948606), (14, 9974303), (79, 1767598), (158, 883799), (553, 252514), (1106, 126257)]