320136476

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{661439}}^1$

素因数の和:661465

約数の個数: 18

約数和(自身を含む): 615800640

約数和(自身を除く): 295664164

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 661439, 1322878, 2645756, 7275829, 14551658, 29103316, 80034119, 160068238, 320136476]

約数ペア:

[(1, 320136476), (2, 160068238), (4, 80034119), (11, 29103316), (22, 14551658), (44, 7275829), (121, 2645756), (242, 1322878), (484, 661439)]