1638156716

素因数分解:

$2^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{128021}}^1$

素因数の和:128489

約数の個数: 24

約数和(自身を含む): 3283508256

約数和(自身を除く): 1645351540

約数列:

[1, 2, 4, 7, 14, 28, 457, 914, 1828, 3199, 6398, 12796, 128021, 256042, 512084, 896147, 1792294, 3584588, 58505597, 117011194, 234022388, 409539179, 819078358, 1638156716]

約数ペア:

[(1, 1638156716), (2, 819078358), (4, 409539179), (7, 234022388), (14, 117011194), (28, 58505597), (457, 3584588), (914, 1792294), (1828, 896147), (3199, 512084), (6398, 256042), (12796, 128021)]