72131864

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{56003}}^1$

素因数の和:56039

約数の個数: 32

約数和(自身を含む): 161291520

約数和(自身を除く): 89159656

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 56003, 112006, 224012, 392021, 448024, 784042, 1288069, 1568084, 2576138, 3136168, 5152276, 9016483, 10304552, 18032966, 36065932, 72131864]

約数ペア:

[(1, 72131864), (2, 36065932), (4, 18032966), (7, 10304552), (8, 9016483), (14, 5152276), (23, 3136168), (28, 2576138), (46, 1568084), (56, 1288069), (92, 784042), (161, 448024), (184, 392021), (322, 224012), (644, 112006), (1288, 56003)]