40475554

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 71539200

約数和(自身を除く): 31063646

約数列:

[1, 2, 7, 14, 47, 94, 137, 274, 329, 449, 658, 898, 959, 1918, 3143, 6286, 6439, 12878, 21103, 42206, 45073, 61513, 90146, 123026, 147721, 295442, 430591, 861182, 2891111, 5782222, 20237777, 40475554]

約数ペア:

[(1, 40475554), (2, 20237777), (7, 5782222), (14, 2891111), (47, 861182), (94, 430591), (137, 295442), (274, 147721), (329, 123026), (449, 90146), (658, 61513), (898, 45073), (959, 42206), (1918, 21103), (3143, 12878), (6286, 6439)]