212123886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2371}}^1$

素因数の和:2457

約数の個数: 64

約数和(自身を含む): 484571136

約数和(自身を除く): 272447250

約数列:

[1, 2, 3, 6, 13, 26, 31, 37, 39, 62, 74, 78, 93, 111, 186, 222, 403, 481, 806, 962, 1147, 1209, 1443, 2294, 2371, 2418, 2886, 3441, 4742, 6882, 7113, 14226, 14911, 29822, 30823, 44733, 61646, 73501, 87727, 89466, 92469, 147002, 175454, 184938, 220503, 263181, 441006, 526362, 955513, 1140451, 1911026, 2280902, 2719537, 2866539, 3421353, 5439074, 5733078, 6842706, 8158611, 16317222, 35353981, 70707962, 106061943, 212123886]

約数ペア:

[(1, 212123886), (2, 106061943), (3, 70707962), (6, 35353981), (13, 16317222), (26, 8158611), (31, 6842706), (37, 5733078), (39, 5439074), (62, 3421353), (74, 2866539), (78, 2719537), (93, 2280902), (111, 1911026), (186, 1140451), (222, 955513), (403, 526362), (481, 441006), (806, 263181), (962, 220503), (1147, 184938), (1209, 175454), (1443, 147002), (2294, 92469), (2371, 89466), (2418, 87727), (2886, 73501), (3441, 61646), (4742, 44733), (6882, 30823), (7113, 29822), (14226, 14911)]