256732

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 526176

約数和(自身を除く): 269444

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 173, 212, 346, 371, 692, 742, 1211, 1484, 2422, 4844, 9169, 18338, 36676, 64183, 128366, 256732]

約数ペア:

[(1, 256732), (2, 128366), (4, 64183), (7, 36676), (14, 18338), (28, 9169), (53, 4844), (106, 2422), (173, 1484), (212, 1211), (346, 742), (371, 692)]