28159292

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 60775680

約数和(自身を除く): 32616388

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 1148, 1291, 1558, 2582, 3116, 5164, 5453, 9037, 10906, 18074, 21812, 24529, 36148, 49058, 52931, 98116, 105862, 171703, 211724, 343406, 370517, 686812, 741034, 1005689, 1482068, 2011378, 4022756, 7039823, 14079646, 28159292]

約数ペア:

[(1, 28159292), (2, 14079646), (4, 7039823), (7, 4022756), (14, 2011378), (19, 1482068), (28, 1005689), (38, 741034), (41, 686812), (76, 370517), (82, 343406), (133, 211724), (164, 171703), (266, 105862), (287, 98116), (532, 52931), (574, 49058), (779, 36148), (1148, 24529), (1291, 21812), (1558, 18074), (2582, 10906), (3116, 9037), (5164, 5453)]