199159376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 436305408

約数和(自身を除く): 237146032

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 67, 104, 124, 134, 208, 248, 268, 403, 461, 496, 536, 806, 871, 922, 1072, 1612, 1742, 1844, 2077, 3224, 3484, 3688, 4154, 5993, 6448, 6968, 7376, 8308, 11986, 13936, 14291, 16616, 23972, 27001, 28582, 30887, 33232, 47944, 54002, 57164, 61774, 95888, 108004, 114328, 123548, 185783, 216008, 228656, 247096, 371566, 401531, 432016, 494192, 743132, 803062, 957497, 1486264, 1606124, 1914994, 2972528, 3212248, 3829988, 6424496, 7659976, 12447461, 15319952, 24894922, 49789844, 99579688, 199159376]

約数ペア:

[(1, 199159376), (2, 99579688), (4, 49789844), (8, 24894922), (13, 15319952), (16, 12447461), (26, 7659976), (31, 6424496), (52, 3829988), (62, 3212248), (67, 2972528), (104, 1914994), (124, 1606124), (134, 1486264), (208, 957497), (248, 803062), (268, 743132), (403, 494192), (461, 432016), (496, 401531), (536, 371566), (806, 247096), (871, 228656), (922, 216008), (1072, 185783), (1612, 123548), (1742, 114328), (1844, 108004), (2077, 95888), (3224, 61774), (3484, 57164), (3688, 54002), (4154, 47944), (5993, 33232), (6448, 30887), (6968, 28582), (7376, 27001), (8308, 23972), (11986, 16616), (13936, 14291)]