128951438

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 261063648

約数和(自身を除く): 132112210

約数列:

[1, 2, 7, 11, 14, 22, 37, 49, 53, 61, 74, 77, 98, 106, 122, 154, 259, 371, 407, 427, 518, 539, 583, 671, 742, 814, 854, 1078, 1166, 1342, 1813, 1961, 2257, 2597, 2849, 2989, 3233, 3626, 3922, 4081, 4514, 4697, 5194, 5698, 5978, 6466, 8162, 9394, 13727, 15799, 19943, 21571, 22631, 24827, 27454, 28567, 31598, 32879, 35563, 39886, 43142, 45262, 49654, 57134, 65758, 71126, 96089, 110593, 119621, 150997, 158417, 173789, 192178, 221186, 239242, 248941, 301994, 316834, 347578, 497882, 837347, 1056979, 1216523, 1315831, 1674694, 1742587, 2113958, 2433046, 2631662, 3485174, 5861429, 9210817, 11722858, 18421634, 64475719, 128951438]

約数ペア:

[(1, 128951438), (2, 64475719), (7, 18421634), (11, 11722858), (14, 9210817), (22, 5861429), (37, 3485174), (49, 2631662), (53, 2433046), (61, 2113958), (74, 1742587), (77, 1674694), (98, 1315831), (106, 1216523), (122, 1056979), (154, 837347), (259, 497882), (371, 347578), (407, 316834), (427, 301994), (518, 248941), (539, 239242), (583, 221186), (671, 192178), (742, 173789), (814, 158417), (854, 150997), (1078, 119621), (1166, 110593), (1342, 96089), (1813, 71126), (1961, 65758), (2257, 57134), (2597, 49654), (2849, 45262), (2989, 43142), (3233, 39886), (3626, 35563), (3922, 32879), (4081, 31598), (4514, 28567), (4697, 27454), (5194, 24827), (5698, 22631), (5978, 21571), (6466, 19943), (8162, 15799), (9394, 13727)]