81252556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{797}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 178036992

約数和(自身を除く): 96784436

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 331, 662, 797, 1324, 1594, 2317, 3188, 3641, 4634, 5579, 7282, 8767, 9268, 11158, 14564, 17534, 22316, 25487, 35068, 50974, 61369, 101948, 122738, 245476, 263807, 527614, 1055228, 1846649, 2901877, 3693298, 5803754, 7386596, 11607508, 20313139, 40626278, 81252556]

約数ペア:

[(1, 81252556), (2, 40626278), (4, 20313139), (7, 11607508), (11, 7386596), (14, 5803754), (22, 3693298), (28, 2901877), (44, 1846649), (77, 1055228), (154, 527614), (308, 263807), (331, 245476), (662, 122738), (797, 101948), (1324, 61369), (1594, 50974), (2317, 35068), (3188, 25487), (3641, 22316), (4634, 17534), (5579, 14564), (7282, 11158), (8767, 9268)]