81348272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267593}}^1$

素因数の和:267620

約数の個数: 20

約数和(自身を含む): 165908280

約数和(自身を除く): 84560008

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267593, 535186, 1070372, 2140744, 4281488, 5084267, 10168534, 20337068, 40674136, 81348272]

約数ペア:

[(1, 81348272), (2, 40674136), (4, 20337068), (8, 10168534), (16, 5084267), (19, 4281488), (38, 2140744), (76, 1070372), (152, 535186), (304, 267593)]