28296786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 67415040

約数和(自身を除く): 39118254

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 131, 139, 222, 259, 262, 278, 393, 417, 518, 777, 786, 834, 917, 973, 1554, 1834, 1946, 2751, 2919, 4847, 5143, 5502, 5838, 9694, 10286, 14541, 15429, 18209, 29082, 30858, 33929, 36001, 36418, 54627, 67858, 72002, 101787, 108003, 109254, 127463, 203574, 216006, 254926, 382389, 673733, 764778, 1347466, 2021199, 4042398, 4716131, 9432262, 14148393, 28296786]

約数ペア:

[(1, 28296786), (2, 14148393), (3, 9432262), (6, 4716131), (7, 4042398), (14, 2021199), (21, 1347466), (37, 764778), (42, 673733), (74, 382389), (111, 254926), (131, 216006), (139, 203574), (222, 127463), (259, 109254), (262, 108003), (278, 101787), (393, 72002), (417, 67858), (518, 54627), (777, 36418), (786, 36001), (834, 33929), (917, 30858), (973, 29082), (1554, 18209), (1834, 15429), (1946, 14541), (2751, 10286), (2919, 9694), (4847, 5838), (5143, 5502)]