638671134

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{9371}}^1$

素因数の和:9720

約数の個数: 32

約数和(自身を含む): 1316278656

約数和(自身を除く): 677607522

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 307, 614, 921, 1842, 9371, 11359, 18742, 22718, 28113, 34077, 56226, 68154, 346727, 693454, 1040181, 2080362, 2876897, 5753794, 8630691, 17261382, 106445189, 212890378, 319335567, 638671134]

約数ペア:

[(1, 638671134), (2, 319335567), (3, 212890378), (6, 106445189), (37, 17261382), (74, 8630691), (111, 5753794), (222, 2876897), (307, 2080362), (614, 1040181), (921, 693454), (1842, 346727), (9371, 68154), (11359, 56226), (18742, 34077), (22718, 28113)]