247161512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2473}}^1$

素因数の和:2554

約数の個数: 48

約数和(自身を含む): 515903220

約数和(自身を除く): 268741708

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 961, 1612, 1922, 2473, 3224, 3844, 4946, 7688, 9892, 12493, 19784, 24986, 32149, 49972, 64298, 76663, 99944, 128596, 153326, 257192, 306652, 613304, 996619, 1993238, 2376553, 3986476, 4753106, 7972952, 9506212, 19012424, 30895189, 61790378, 123580756, 247161512]

約数ペア:

[(1, 247161512), (2, 123580756), (4, 61790378), (8, 30895189), (13, 19012424), (26, 9506212), (31, 7972952), (52, 4753106), (62, 3986476), (104, 2376553), (124, 1993238), (248, 996619), (403, 613304), (806, 306652), (961, 257192), (1612, 153326), (1922, 128596), (2473, 99944), (3224, 76663), (3844, 64298), (4946, 49972), (7688, 32149), (9892, 24986), (12493, 19784)]