199498328

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 407721600

約数和(自身を除く): 208223272

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 131, 152, 172, 233, 262, 344, 466, 524, 817, 932, 1048, 1634, 1864, 2489, 3268, 4427, 4978, 5633, 6536, 8854, 9956, 10019, 11266, 17708, 19912, 20038, 22532, 30523, 35416, 40076, 45064, 61046, 80152, 107027, 122092, 190361, 214054, 244184, 380722, 428108, 579937, 761444, 856216, 1159874, 1312489, 1522888, 2319748, 2624978, 4639496, 5249956, 10499912, 24937291, 49874582, 99749164, 199498328]

約数ペア:

[(1, 199498328), (2, 99749164), (4, 49874582), (8, 24937291), (19, 10499912), (38, 5249956), (43, 4639496), (76, 2624978), (86, 2319748), (131, 1522888), (152, 1312489), (172, 1159874), (233, 856216), (262, 761444), (344, 579937), (466, 428108), (524, 380722), (817, 244184), (932, 214054), (1048, 190361), (1634, 122092), (1864, 107027), (2489, 80152), (3268, 61046), (4427, 45064), (4978, 40076), (5633, 35416), (6536, 30523), (8854, 22532), (9956, 20038), (10019, 19912), (11266, 17708)]