12971768716

素因数分解:

$2^2\times {\mathrm{79}}^2\times {\mathrm{519619}}^1$

素因数の和:519781

約数の個数: 18

約数和(自身を含む): 22991626140

約数和(自身を除く): 10019857424

約数列:

[1, 2, 4, 79, 158, 316, 6241, 12482, 24964, 519619, 1039238, 2078476, 41049901, 82099802, 164199604, 3242942179, 6485884358, 12971768716]

約数ペア:

[(1, 12971768716), (2, 6485884358), (4, 3242942179), (79, 164199604), (158, 82099802), (316, 41049901), (6241, 2078476), (12482, 1039238), (24964, 519619)]