66620568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1543}}^1$

素因数の和:1816

約数の個数: 64

約数和(自身を含む): 191208960

約数和(自身を除く): 124588392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 257, 514, 771, 1028, 1542, 1543, 1799, 2056, 3084, 3086, 3598, 4629, 5397, 6168, 6172, 7196, 9258, 10794, 10801, 12344, 14392, 18516, 21588, 21602, 32403, 37032, 43176, 43204, 64806, 86408, 129612, 259224, 396551, 793102, 1189653, 1586204, 2379306, 2775857, 3172408, 4758612, 5551714, 8327571, 9517224, 11103428, 16655142, 22206856, 33310284, 66620568]

約数ペア:

[(1, 66620568), (2, 33310284), (3, 22206856), (4, 16655142), (6, 11103428), (7, 9517224), (8, 8327571), (12, 5551714), (14, 4758612), (21, 3172408), (24, 2775857), (28, 2379306), (42, 1586204), (56, 1189653), (84, 793102), (168, 396551), (257, 259224), (514, 129612), (771, 86408), (1028, 64806), (1542, 43204), (1543, 43176), (1799, 37032), (2056, 32403), (3084, 21602), (3086, 21588), (3598, 18516), (4629, 14392), (5397, 12344), (6168, 10801), (6172, 10794), (7196, 9258)]