123194968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{2473}}^1$

素因数の和:2971

約数の個数: 32

約数和(自身を含む): 249379200

約数和(自身を除く): 126184232

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 479, 958, 1916, 2473, 3832, 4946, 6227, 9892, 12454, 19784, 24908, 32149, 49816, 64298, 128596, 257192, 1184567, 2369134, 4738268, 9476536, 15399371, 30798742, 61597484, 123194968]

約数ペア:

[(1, 123194968), (2, 61597484), (4, 30798742), (8, 15399371), (13, 9476536), (26, 4738268), (52, 2369134), (104, 1184567), (479, 257192), (958, 128596), (1916, 64298), (2473, 49816), (3832, 32149), (4946, 24908), (6227, 19784), (9892, 12454)]