66864889

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 85155840

約数和(自身を除く): 18290951

約数列:

[1, 7, 13, 71, 79, 91, 131, 497, 553, 917, 923, 1027, 1703, 5609, 6461, 7189, 9301, 10349, 11921, 39263, 65107, 72443, 72917, 120913, 134537, 510419, 734779, 846391, 941759, 5143453, 9552127, 66864889]

約数ペア:

[(1, 66864889), (7, 9552127), (13, 5143453), (71, 941759), (79, 846391), (91, 734779), (131, 510419), (497, 134537), (553, 120913), (917, 72917), (923, 72443), (1027, 65107), (1703, 39263), (5609, 11921), (6461, 10349), (7189, 9301)]