81226516

素因数分解:

$2^2\times 7^3\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 168246400

約数和(自身を除く): 87019884

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 343, 511, 686, 811, 1022, 1372, 1622, 2044, 3244, 3577, 5677, 7154, 11354, 14308, 22708, 25039, 39739, 50078, 59203, 79478, 100156, 118406, 158956, 236812, 278173, 414421, 556346, 828842, 1112692, 1657684, 2900947, 5801894, 11603788, 20306629, 40613258, 81226516]

約数ペア:

[(1, 81226516), (2, 40613258), (4, 20306629), (7, 11603788), (14, 5801894), (28, 2900947), (49, 1657684), (73, 1112692), (98, 828842), (146, 556346), (196, 414421), (292, 278173), (343, 236812), (511, 158956), (686, 118406), (811, 100156), (1022, 79478), (1372, 59203), (1622, 50078), (2044, 39739), (3244, 25039), (3577, 22708), (5677, 14308), (7154, 11354)]