251188542

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 614630016

約数和(自身を除く): 363441474

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 129, 163, 181, 198, 258, 326, 362, 387, 473, 489, 543, 774, 946, 978, 1086, 1419, 1467, 1629, 1793, 1991, 2838, 2934, 3258, 3586, 3982, 4257, 5379, 5973, 7009, 7783, 8514, 10758, 11946, 14018, 15566, 16137, 17919, 21027, 23349, 29503, 32274, 35838, 42054, 46698, 59006, 63081, 70047, 77099, 85613, 88509, 126162, 140094, 154198, 171226, 177018, 231297, 256839, 265527, 324533, 462594, 513678, 531054, 649066, 693891, 770517, 973599, 1268629, 1387782, 1541034, 1947198, 2537258, 2920797, 3805887, 5841594, 7611774, 11417661, 13954919, 22835322, 27909838, 41864757, 83729514, 125594271, 251188542]

約数ペア:

[(1, 251188542), (2, 125594271), (3, 83729514), (6, 41864757), (9, 27909838), (11, 22835322), (18, 13954919), (22, 11417661), (33, 7611774), (43, 5841594), (66, 3805887), (86, 2920797), (99, 2537258), (129, 1947198), (163, 1541034), (181, 1387782), (198, 1268629), (258, 973599), (326, 770517), (362, 693891), (387, 649066), (473, 531054), (489, 513678), (543, 462594), (774, 324533), (946, 265527), (978, 256839), (1086, 231297), (1419, 177018), (1467, 171226), (1629, 154198), (1793, 140094), (1991, 126162), (2838, 88509), (2934, 85613), (3258, 77099), (3586, 70047), (3982, 63081), (4257, 59006), (5379, 46698), (5973, 42054), (7009, 35838), (7783, 32274), (8514, 29503), (10758, 23349), (11946, 21027), (14018, 17919), (15566, 16137)]