25331108

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:488

約数の個数: 36

約数和(自身を含む): 49156800

約数和(自身を除く): 23825692

約数列:

[1, 2, 4, 11, 22, 44, 121, 199, 242, 263, 398, 484, 526, 796, 1052, 2189, 2893, 4378, 5786, 8756, 11572, 24079, 31823, 48158, 52337, 63646, 96316, 104674, 127292, 209348, 575707, 1151414, 2302828, 6332777, 12665554, 25331108]

約数ペア:

[(1, 25331108), (2, 12665554), (4, 6332777), (11, 2302828), (22, 1151414), (44, 575707), (121, 209348), (199, 127292), (242, 104674), (263, 96316), (398, 63646), (484, 52337), (526, 48158), (796, 31823), (1052, 24079), (2189, 11572), (2893, 8756), (4378, 5786)]