211974931

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2633}}^1$

素因数の和:2731

約数の個数: 24

約数和(自身を含む): 259438464

約数和(自身を除く): 47463533

約数列:

[1, 7, 31, 49, 53, 217, 371, 1519, 1643, 2597, 2633, 11501, 18431, 80507, 81623, 129017, 139549, 571361, 976843, 3999527, 4326019, 6837901, 30282133, 211974931]

約数ペア:

[(1, 211974931), (7, 30282133), (31, 6837901), (49, 4326019), (53, 3999527), (217, 976843), (371, 571361), (1519, 139549), (1643, 129017), (2597, 81623), (2633, 80507), (11501, 18431)]