278121732

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{21089}}^1$

素因数の和:21260

約数の個数: 48

約数和(自身を含む): 746417280

約数和(自身を除く): 468295548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 157, 314, 471, 628, 942, 1099, 1884, 2198, 3297, 4396, 6594, 13188, 21089, 42178, 63267, 84356, 126534, 147623, 253068, 295246, 442869, 590492, 885738, 1771476, 3310973, 6621946, 9932919, 13243892, 19865838, 23176811, 39731676, 46353622, 69530433, 92707244, 139060866, 278121732]

約数ペア:

[(1, 278121732), (2, 139060866), (3, 92707244), (4, 69530433), (6, 46353622), (7, 39731676), (12, 23176811), (14, 19865838), (21, 13243892), (28, 9932919), (42, 6621946), (84, 3310973), (157, 1771476), (314, 885738), (471, 590492), (628, 442869), (942, 295246), (1099, 253068), (1884, 147623), (2198, 126534), (3297, 84356), (4396, 63267), (6594, 42178), (13188, 21089)]