257788392

素因数分解:

$2^3\times 3^1\times {\mathrm{263}}^1\times {\mathrm{40841}}^1$

素因数の和:41113

約数の個数: 32

約数和(自身を含む): 646937280

約数和(自身を除く): 389148888

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 263, 526, 789, 1052, 1578, 2104, 3156, 6312, 40841, 81682, 122523, 163364, 245046, 326728, 490092, 980184, 10741183, 21482366, 32223549, 42964732, 64447098, 85929464, 128894196, 257788392]

約数ペア:

[(1, 257788392), (2, 128894196), (3, 85929464), (4, 64447098), (6, 42964732), (8, 32223549), (12, 21482366), (24, 10741183), (263, 980184), (526, 490092), (789, 326728), (1052, 245046), (1578, 163364), (2104, 122523), (3156, 81682), (6312, 40841)]