51380161

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 65007360

約数和(自身を除く): 13627199

約数列:

[1, 7, 19, 37, 53, 133, 197, 259, 371, 703, 1007, 1379, 1961, 3743, 4921, 7049, 7289, 10441, 13727, 26201, 37259, 51023, 73087, 138491, 198379, 260813, 386317, 969437, 1388653, 2704219, 7340023, 51380161]

約数ペア:

[(1, 51380161), (7, 7340023), (19, 2704219), (37, 1388653), (53, 969437), (133, 386317), (197, 260813), (259, 198379), (371, 138491), (703, 73087), (1007, 51023), (1379, 37259), (1961, 26201), (3743, 13727), (4921, 10441), (7049, 7289)]