205125514

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{22147}}^1$

素因数の和:22581

約数の個数: 16

約数和(自身を含む): 336472416

約数和(自身を除く): 131346902

約数列:

[1, 2, 11, 22, 421, 842, 4631, 9262, 22147, 44294, 243617, 487234, 9323887, 18647774, 102562757, 205125514]

約数ペア:

[(1, 205125514), (2, 102562757), (11, 18647774), (22, 9323887), (421, 487234), (842, 243617), (4631, 44294), (9262, 22147)]