17993290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{36721}}^1$

素因数の和:36742

約数の個数: 24

約数和(自身を含む): 37676772

約数和(自身を除く): 19683482

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 36721, 73442, 183605, 257047, 367210, 514094, 1285235, 1799329, 2570470, 3598658, 8996645, 17993290]

約数ペア:

[(1, 17993290), (2, 8996645), (5, 3598658), (7, 2570470), (10, 1799329), (14, 1285235), (35, 514094), (49, 367210), (70, 257047), (98, 183605), (245, 73442), (490, 36721)]