81825086

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 143244288

約数和(自身を除く): 61419202

約数列:

[1, 2, 7, 14, 71, 142, 263, 313, 497, 526, 626, 994, 1841, 2191, 3682, 4382, 18673, 22223, 37346, 44446, 82319, 130711, 155561, 164638, 261422, 311122, 576233, 1152466, 5844649, 11689298, 40912543, 81825086]

約数ペア:

[(1, 81825086), (2, 40912543), (7, 11689298), (14, 5844649), (71, 1152466), (142, 576233), (263, 311122), (313, 261422), (497, 164638), (526, 155561), (626, 130711), (994, 82319), (1841, 44446), (2191, 37346), (3682, 22223), (4382, 18673)]