205747775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1033}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 264637824

約数和(自身を除く): 58890049

約数列:

[1, 5, 25, 31, 155, 257, 775, 1033, 1285, 5165, 6425, 7967, 25825, 32023, 39835, 160115, 199175, 265481, 800575, 1327405, 6637025, 8229911, 41149555, 205747775]

約数ペア:

[(1, 205747775), (5, 41149555), (25, 8229911), (31, 6637025), (155, 1327405), (257, 800575), (775, 265481), (1033, 199175), (1285, 160115), (5165, 39835), (6425, 32023), (7967, 25825)]