256431388

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{337}}^1\times {\mathrm{1051}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 453003824

約数和(自身を除く): 196572436

約数列:

[1, 2, 4, 181, 337, 362, 674, 724, 1051, 1348, 2102, 4204, 60997, 121994, 190231, 243988, 354187, 380462, 708374, 760924, 1416748, 64107847, 128215694, 256431388]

約数ペア:

[(1, 256431388), (2, 128215694), (4, 64107847), (181, 1416748), (337, 760924), (362, 708374), (674, 380462), (724, 354187), (1051, 243988), (1348, 190231), (2102, 121994), (4204, 60997)]