221433779

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1\times {\mathrm{1499}}^1$

素因数の和:2002

約数の個数: 16

約数和(自身を含む): 259200000

約数和(自身を除く): 37766221

約数列:

[1, 7, 47, 329, 449, 1499, 3143, 10493, 21103, 70453, 147721, 493171, 673051, 4711357, 31633397, 221433779]

約数ペア:

[(1, 221433779), (7, 31633397), (47, 4711357), (329, 673051), (449, 493171), (1499, 147721), (3143, 70453), (10493, 21103)]