12991847

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:418

約数の個数: 16

約数和(自身を含む): 14725152

約数和(自身を除く): 1733305

約数列:

[1, 11, 37, 137, 233, 407, 1507, 2563, 5069, 8621, 31921, 55759, 94831, 351131, 1181077, 12991847]

約数ペア:

[(1, 12991847), (11, 1181077), (37, 351131), (137, 94831), (233, 55759), (407, 31921), (1507, 8621), (2563, 5069)]