199449848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1163}}^1$

素因数の和:1296

約数の個数: 64

約数和(自身を含む): 431192160

約数和(自身を除く): 231742312

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 97, 104, 136, 194, 221, 388, 442, 776, 884, 1163, 1261, 1649, 1768, 2326, 2522, 3298, 4652, 5044, 6596, 9304, 10088, 13192, 15119, 19771, 21437, 30238, 39542, 42874, 60476, 79084, 85748, 112811, 120952, 158168, 171496, 225622, 257023, 451244, 514046, 902488, 1028092, 1466543, 1917787, 2056184, 2933086, 3835574, 5866172, 7671148, 11732344, 15342296, 24931231, 49862462, 99724924, 199449848]

約数ペア:

[(1, 199449848), (2, 99724924), (4, 49862462), (8, 24931231), (13, 15342296), (17, 11732344), (26, 7671148), (34, 5866172), (52, 3835574), (68, 2933086), (97, 2056184), (104, 1917787), (136, 1466543), (194, 1028092), (221, 902488), (388, 514046), (442, 451244), (776, 257023), (884, 225622), (1163, 171496), (1261, 158168), (1649, 120952), (1768, 112811), (2326, 85748), (2522, 79084), (3298, 60476), (4652, 42874), (5044, 39542), (6596, 30238), (9304, 21437), (10088, 19771), (13192, 15119)]