251010242

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 449524800

約数和(自身を除く): 198514558

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 199, 211, 398, 422, 427, 854, 1393, 1477, 2786, 2954, 2989, 5978, 9751, 10339, 12139, 12871, 19502, 20678, 24278, 25742, 41989, 83978, 84973, 90097, 169946, 180194, 293923, 587846, 594811, 630679, 1189622, 1261358, 2057461, 2561329, 4114922, 5122658, 17929303, 35858606, 125505121, 251010242]

約数ペア:

[(1, 251010242), (2, 125505121), (7, 35858606), (14, 17929303), (49, 5122658), (61, 4114922), (98, 2561329), (122, 2057461), (199, 1261358), (211, 1189622), (398, 630679), (422, 594811), (427, 587846), (854, 293923), (1393, 180194), (1477, 169946), (2786, 90097), (2954, 84973), (2989, 83978), (5978, 41989), (9751, 25742), (10339, 24278), (12139, 20678), (12871, 19502)]