81239192

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{929}}^1$

素因数の和:1595

約数の個数: 32

約数和(自身を含む): 161708400

約数和(自身を除く): 80469208

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 643, 929, 1286, 1858, 2572, 3716, 5144, 7432, 10931, 15793, 21862, 31586, 43724, 63172, 87448, 126344, 597347, 1194694, 2389388, 4778776, 10154899, 20309798, 40619596, 81239192]

約数ペア:

[(1, 81239192), (2, 40619596), (4, 20309798), (8, 10154899), (17, 4778776), (34, 2389388), (68, 1194694), (136, 597347), (643, 126344), (929, 87448), (1286, 63172), (1858, 43724), (2572, 31586), (3716, 21862), (5144, 15793), (7432, 10931)]