989729279

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{673}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 1257845760

約数和(自身を除く): 268116481

約数列:

[1, 7, 11, 71, 77, 269, 497, 673, 781, 1883, 2959, 4711, 5467, 7403, 19099, 20713, 47783, 51821, 133693, 181037, 210089, 334481, 525613, 1267259, 1470623, 1991407, 3679291, 12853627, 13939849, 89975389, 141389897, 989729279]

約数ペア:

[(1, 989729279), (7, 141389897), (11, 89975389), (71, 13939849), (77, 12853627), (269, 3679291), (497, 1991407), (673, 1470623), (781, 1267259), (1883, 525613), (2959, 334481), (4711, 210089), (5467, 181037), (7403, 133693), (19099, 51821), (20713, 47783)]