278301842

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{20947}}^1$

素因数の和:21042

約数の個数: 32

約数和(自身を含む): 520851072

約数和(自身を除く): 242549230

約数列:

[1, 2, 7, 13, 14, 26, 73, 91, 146, 182, 511, 949, 1022, 1898, 6643, 13286, 20947, 41894, 146629, 272311, 293258, 544622, 1529131, 1906177, 3058262, 3812354, 10703917, 19878703, 21407834, 39757406, 139150921, 278301842]

約数ペア:

[(1, 278301842), (2, 139150921), (7, 39757406), (13, 21407834), (14, 19878703), (26, 10703917), (73, 3812354), (91, 3058262), (146, 1906177), (182, 1529131), (511, 544622), (949, 293258), (1022, 272311), (1898, 146629), (6643, 41894), (13286, 20947)]