81398548

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5623}}^1$

素因数の和:5692

約数の個数: 48

約数和(自身を含む): 181407744

約数和(自身を除く): 100009196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 154, 188, 308, 329, 517, 658, 1034, 1316, 2068, 3619, 5623, 7238, 11246, 14476, 22492, 39361, 61853, 78722, 123706, 157444, 247412, 264281, 432971, 528562, 865942, 1057124, 1731884, 1849967, 2907091, 3699934, 5814182, 7399868, 11628364, 20349637, 40699274, 81398548]

約数ペア:

[(1, 81398548), (2, 40699274), (4, 20349637), (7, 11628364), (11, 7399868), (14, 5814182), (22, 3699934), (28, 2907091), (44, 1849967), (47, 1731884), (77, 1057124), (94, 865942), (154, 528562), (188, 432971), (308, 264281), (329, 247412), (517, 157444), (658, 123706), (1034, 78722), (1316, 61853), (2068, 39361), (3619, 22492), (5623, 14476), (7238, 11246)]