1947156952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{997}}^1$

素因数の和:1316

約数の個数: 64

約数和(自身を含む): 3998786400

約数和(自身を除く): 2051629448

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 211, 356, 422, 712, 844, 997, 1157, 1688, 1994, 2314, 2743, 3988, 4628, 5486, 7976, 9256, 10972, 12961, 18779, 21944, 25922, 37558, 51844, 75116, 88733, 103688, 150232, 177466, 210367, 244127, 354932, 420734, 488254, 709864, 841468, 976508, 1153529, 1682936, 1953016, 2307058, 2734771, 4614116, 5469542, 9228232, 10939084, 18722663, 21878168, 37445326, 74890652, 149781304, 243394619, 486789238, 973578476, 1947156952]

約数ペア:

[(1, 1947156952), (2, 973578476), (4, 486789238), (8, 243394619), (13, 149781304), (26, 74890652), (52, 37445326), (89, 21878168), (104, 18722663), (178, 10939084), (211, 9228232), (356, 5469542), (422, 4614116), (712, 2734771), (844, 2307058), (997, 1953016), (1157, 1682936), (1688, 1153529), (1994, 976508), (2314, 841468), (2743, 709864), (3988, 488254), (4628, 420734), (5486, 354932), (7976, 244127), (9256, 210367), (10972, 177466), (12961, 150232), (18779, 103688), (21944, 88733), (25922, 75116), (37558, 51844)]