25781556

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1549}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 64232000

約数和(自身を除く): 38450444

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 146, 219, 228, 292, 438, 876, 1387, 1549, 2774, 3098, 4161, 4647, 5548, 6196, 8322, 9294, 16644, 18588, 29431, 58862, 88293, 113077, 117724, 176586, 226154, 339231, 353172, 452308, 678462, 1356924, 2148463, 4296926, 6445389, 8593852, 12890778, 25781556]

約数ペア:

[(1, 25781556), (2, 12890778), (3, 8593852), (4, 6445389), (6, 4296926), (12, 2148463), (19, 1356924), (38, 678462), (57, 452308), (73, 353172), (76, 339231), (114, 226154), (146, 176586), (219, 117724), (228, 113077), (292, 88293), (438, 58862), (876, 29431), (1387, 18588), (1549, 16644), (2774, 9294), (3098, 8322), (4161, 6196), (4647, 5548)]