8139131

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 11225088

約数和(自身を除く): 3085957

約数列:

[1, 7, 11, 13, 47, 77, 91, 143, 173, 329, 517, 611, 1001, 1211, 1903, 2249, 3619, 4277, 6721, 8131, 13321, 15743, 24739, 47047, 56917, 89441, 105703, 173173, 626087, 739921, 1162733, 8139131]

約数ペア:

[(1, 8139131), (7, 1162733), (11, 739921), (13, 626087), (47, 173173), (77, 105703), (91, 89441), (143, 56917), (173, 47047), (329, 24739), (517, 15743), (611, 13321), (1001, 8131), (1211, 6721), (1903, 4277), (2249, 3619)]