212476

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{439}}^1$

素因数の和:465

約数の個数: 18

約数和(自身を含む): 409640

約数和(自身を除く): 197164

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 439, 484, 878, 1756, 4829, 9658, 19316, 53119, 106238, 212476]

約数ペア:

[(1, 212476), (2, 106238), (4, 53119), (11, 19316), (22, 9658), (44, 4829), (121, 1756), (242, 878), (439, 484)]