51499994

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 102332160

約数和(自身を除く): 50832166

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 53, 91, 106, 133, 182, 247, 266, 281, 371, 494, 562, 689, 742, 1007, 1378, 1729, 1967, 2014, 3458, 3653, 3934, 4823, 5339, 7049, 7306, 9646, 10678, 13091, 14098, 14893, 25571, 26182, 29786, 37373, 51142, 69407, 74746, 91637, 104251, 138814, 183274, 193609, 208502, 282967, 387218, 485849, 565934, 971698, 1355263, 1980769, 2710526, 3678571, 3961538, 7357142, 25749997, 51499994]

約数ペア:

[(1, 51499994), (2, 25749997), (7, 7357142), (13, 3961538), (14, 3678571), (19, 2710526), (26, 1980769), (38, 1355263), (53, 971698), (91, 565934), (106, 485849), (133, 387218), (182, 282967), (247, 208502), (266, 193609), (281, 183274), (371, 138814), (494, 104251), (562, 91637), (689, 74746), (742, 69407), (1007, 51142), (1378, 37373), (1729, 29786), (1967, 26182), (2014, 25571), (3458, 14893), (3653, 14098), (3934, 13091), (4823, 10678), (5339, 9646), (7049, 7306)]