51356305

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 85671936

約数和(自身を除く): 34315631

約数列:

[1, 5, 7, 11, 13, 31, 35, 55, 65, 77, 91, 143, 155, 217, 331, 341, 385, 403, 455, 715, 1001, 1085, 1655, 1705, 2015, 2317, 2387, 2821, 3641, 4303, 4433, 5005, 10261, 11585, 11935, 14105, 18205, 21515, 22165, 25487, 30121, 31031, 47333, 51305, 71827, 112871, 127435, 133393, 150605, 155155, 236665, 331331, 359135, 564355, 666965, 790097, 933751, 1467323, 1656655, 3950485, 4668755, 7336615, 10271261, 51356305]

約数ペア:

[(1, 51356305), (5, 10271261), (7, 7336615), (11, 4668755), (13, 3950485), (31, 1656655), (35, 1467323), (55, 933751), (65, 790097), (77, 666965), (91, 564355), (143, 359135), (155, 331331), (217, 236665), (331, 155155), (341, 150605), (385, 133393), (403, 127435), (455, 112871), (715, 71827), (1001, 51305), (1085, 47333), (1655, 31031), (1705, 30121), (2015, 25487), (2317, 22165), (2387, 21515), (2821, 18205), (3641, 14105), (4303, 11935), (4433, 11585), (5005, 10261)]