291276238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{307903}}^1$

素因数の和:307959

約数の個数: 16

約数和(自身を含む): 487719936

約数和(自身を除く): 196443698

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 307903, 615806, 3386933, 6773866, 13239829, 26479658, 145638119, 291276238]

約数ペア:

[(1, 291276238), (2, 145638119), (11, 26479658), (22, 13239829), (43, 6773866), (86, 3386933), (473, 615806), (946, 307903)]