28512568

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 64209600

約数和(自身を除く): 35697032

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 97, 116, 181, 194, 203, 232, 362, 388, 406, 679, 724, 776, 812, 1267, 1358, 1448, 1624, 2534, 2716, 2813, 5068, 5249, 5432, 5626, 10136, 10498, 11252, 17557, 19691, 20996, 22504, 35114, 36743, 39382, 41992, 70228, 73486, 78764, 122899, 140456, 146972, 157528, 245798, 293944, 491596, 509153, 983192, 1018306, 2036612, 3564071, 4073224, 7128142, 14256284, 28512568]

約数ペア:

[(1, 28512568), (2, 14256284), (4, 7128142), (7, 4073224), (8, 3564071), (14, 2036612), (28, 1018306), (29, 983192), (56, 509153), (58, 491596), (97, 293944), (116, 245798), (181, 157528), (194, 146972), (203, 140456), (232, 122899), (362, 78764), (388, 73486), (406, 70228), (679, 41992), (724, 39382), (776, 36743), (812, 35114), (1267, 22504), (1358, 20996), (1448, 19691), (1624, 17557), (2534, 11252), (2716, 10498), (2813, 10136), (5068, 5626), (5249, 5432)]