31421894

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{11393}}^1$

素因数の和:11599

約数の個数: 16

約数和(自身を含む): 54144288

約数和(自身を除く): 22722394

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 11393, 22786, 79751, 159502, 2244421, 4488842, 15710947, 31421894]

約数ペア:

[(1, 31421894), (2, 15710947), (7, 4488842), (14, 2244421), (197, 159502), (394, 79751), (1379, 22786), (2758, 11393)]