22218316

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 39690000

約数和(自身を除く): 17471684

約数列:

[1, 2, 4, 89, 139, 178, 278, 356, 449, 556, 898, 1796, 12371, 24742, 39961, 49484, 62411, 79922, 124822, 159844, 249644, 5554579, 11109158, 22218316]

約数ペア:

[(1, 22218316), (2, 11109158), (4, 5554579), (89, 249644), (139, 159844), (178, 124822), (278, 79922), (356, 62411), (449, 49484), (556, 39961), (898, 24742), (1796, 12371)]