199422748

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 422473968

約数和(自身を除く): 223051220

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 107, 148, 196, 214, 257, 259, 428, 514, 518, 749, 1028, 1036, 1498, 1799, 1813, 2996, 3598, 3626, 3959, 5243, 7196, 7252, 7918, 9509, 10486, 12593, 15836, 19018, 20972, 25186, 27499, 27713, 38036, 50372, 54998, 55426, 66563, 109996, 110852, 133126, 192493, 193991, 266252, 384986, 387982, 465941, 769972, 775964, 931882, 1017463, 1347451, 1863764, 2034926, 2694902, 4069852, 5389804, 7122241, 14244482, 28488964, 49855687, 99711374, 199422748]

約数ペア:

[(1, 199422748), (2, 99711374), (4, 49855687), (7, 28488964), (14, 14244482), (28, 7122241), (37, 5389804), (49, 4069852), (74, 2694902), (98, 2034926), (107, 1863764), (148, 1347451), (196, 1017463), (214, 931882), (257, 775964), (259, 769972), (428, 465941), (514, 387982), (518, 384986), (749, 266252), (1028, 193991), (1036, 192493), (1498, 133126), (1799, 110852), (1813, 109996), (2996, 66563), (3598, 55426), (3626, 54998), (3959, 50372), (5243, 38036), (7196, 27713), (7252, 27499), (7918, 25186), (9509, 20972), (10486, 19018), (12593, 15836)]