72139984

素因数分解:

$2^4\times 7^1\times {\mathrm{644107}}^1$

素因数の和:644122

約数の個数: 20

約数和(自身を含む): 159738784

約数和(自身を除く): 87598800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 644107, 1288214, 2576428, 4508749, 5152856, 9017498, 10305712, 18034996, 36069992, 72139984]

約数ペア:

[(1, 72139984), (2, 36069992), (4, 18034996), (7, 10305712), (8, 9017498), (14, 5152856), (16, 4508749), (28, 2576428), (56, 1288214), (112, 644107)]