203764

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{421}}^1$

素因数の和:447

約数の個数: 18

約数和(自身を含む): 392882

約数和(自身を除く): 189118

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 421, 484, 842, 1684, 4631, 9262, 18524, 50941, 101882, 203764]

約数ペア:

[(1, 203764), (2, 101882), (4, 50941), (11, 18524), (22, 9262), (44, 4631), (121, 1684), (242, 842), (421, 484)]