199977606

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1338

約数の個数: 64

約数和(自身を含む): 461514240

約数和(自身を除く): 261536634

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 71, 86, 129, 142, 213, 258, 387, 426, 639, 774, 1161, 1213, 1278, 1917, 2322, 2426, 3053, 3639, 3834, 6106, 7278, 9159, 10917, 18318, 21834, 27477, 32751, 52159, 54954, 65502, 82431, 86123, 104318, 156477, 164862, 172246, 258369, 312954, 469431, 516738, 775107, 938862, 1408293, 1550214, 2325321, 2816586, 3703289, 4650642, 7406578, 11109867, 22219734, 33329601, 66659202, 99988803, 199977606]

約数ペア:

[(1, 199977606), (2, 99988803), (3, 66659202), (6, 33329601), (9, 22219734), (18, 11109867), (27, 7406578), (43, 4650642), (54, 3703289), (71, 2816586), (86, 2325321), (129, 1550214), (142, 1408293), (213, 938862), (258, 775107), (387, 516738), (426, 469431), (639, 312954), (774, 258369), (1161, 172246), (1213, 164862), (1278, 156477), (1917, 104318), (2322, 86123), (2426, 82431), (3053, 65502), (3639, 54954), (3834, 52159), (6106, 32751), (7278, 27477), (9159, 21834), (10917, 18318)]