81527908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1187}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 178827264

約数和(自身を除く): 97299356

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 223, 308, 446, 892, 1187, 1561, 2374, 2453, 3122, 4748, 4906, 6244, 8309, 9812, 13057, 16618, 17171, 26114, 33236, 34342, 52228, 68684, 91399, 182798, 264701, 365596, 529402, 1058804, 1852907, 2911711, 3705814, 5823422, 7411628, 11646844, 20381977, 40763954, 81527908]

約数ペア:

[(1, 81527908), (2, 40763954), (4, 20381977), (7, 11646844), (11, 7411628), (14, 5823422), (22, 3705814), (28, 2911711), (44, 1852907), (77, 1058804), (154, 529402), (223, 365596), (308, 264701), (446, 182798), (892, 91399), (1187, 68684), (1561, 52228), (2374, 34342), (2453, 33236), (3122, 26114), (4748, 17171), (4906, 16618), (6244, 13057), (8309, 9812)]