11639278

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1297}}^1$

素因数の和:1947

約数の個数: 16

約数和(自身を含む): 19999584

約数和(自身を除く): 8360306

約数列:

[1, 2, 7, 14, 641, 1282, 1297, 2594, 4487, 8974, 9079, 18158, 831377, 1662754, 5819639, 11639278]

約数ペア:

[(1, 11639278), (2, 5819639), (7, 1662754), (14, 831377), (641, 18158), (1282, 9079), (1297, 8974), (2594, 4487)]