981398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1483

約数の個数: 16

約数和(自身を含む): 1658880

約数和(自身を除く): 677482

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 1439, 2878, 15829, 31658, 44609, 89218, 490699, 981398]

約数ペア:

[(1, 981398), (2, 490699), (11, 89218), (22, 44609), (31, 31658), (62, 15829), (341, 2878), (682, 1439)]