208984902

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 507538944

約数和(自身を除く): 298554042

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 61, 86, 98, 122, 129, 147, 183, 258, 271, 294, 301, 366, 427, 542, 602, 813, 854, 903, 1281, 1626, 1806, 1897, 2107, 2562, 2623, 2989, 3794, 4214, 5246, 5691, 5978, 6321, 7869, 8967, 11382, 11653, 12642, 13279, 15738, 16531, 17934, 18361, 23306, 26558, 33062, 34959, 36722, 39837, 49593, 55083, 69918, 79674, 81571, 99186, 110166, 115717, 128527, 163142, 231434, 244713, 257054, 347151, 385581, 489426, 570997, 694302, 710833, 771162, 810019, 1141994, 1421666, 1620038, 1712991, 2132499, 2430057, 3425982, 4264998, 4860114, 4975831, 9951662, 14927493, 29854986, 34830817, 69661634, 104492451, 208984902]

約数ペア:

[(1, 208984902), (2, 104492451), (3, 69661634), (6, 34830817), (7, 29854986), (14, 14927493), (21, 9951662), (42, 4975831), (43, 4860114), (49, 4264998), (61, 3425982), (86, 2430057), (98, 2132499), (122, 1712991), (129, 1620038), (147, 1421666), (183, 1141994), (258, 810019), (271, 771162), (294, 710833), (301, 694302), (366, 570997), (427, 489426), (542, 385581), (602, 347151), (813, 257054), (854, 244713), (903, 231434), (1281, 163142), (1626, 128527), (1806, 115717), (1897, 110166), (2107, 99186), (2562, 81571), (2623, 79674), (2989, 69918), (3794, 55083), (4214, 49593), (5246, 39837), (5691, 36722), (5978, 34959), (6321, 33062), (7869, 26558), (8967, 23306), (11382, 18361), (11653, 17934), (12642, 16531), (13279, 15738)]