25557172

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 45550400

約数和(自身を除く): 19993228

約数列:

[1, 2, 4, 97, 194, 199, 331, 388, 398, 662, 796, 1324, 19303, 32107, 38606, 64214, 65869, 77212, 128428, 131738, 263476, 6389293, 12778586, 25557172]

約数ペア:

[(1, 25557172), (2, 12778586), (4, 6389293), (97, 263476), (194, 131738), (199, 128428), (331, 77212), (388, 65869), (398, 64214), (662, 38606), (796, 32107), (1324, 19303)]