257444205

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{1951}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 434749440

約数和(自身を除く): 177305235

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 463, 1389, 1951, 2315, 5853, 6945, 8797, 9755, 26391, 29265, 37069, 43985, 111207, 131955, 185345, 556035, 903313, 2709939, 4516565, 13549695, 17162947, 51488841, 85814735, 257444205]

約数ペア:

[(1, 257444205), (3, 85814735), (5, 51488841), (15, 17162947), (19, 13549695), (57, 4516565), (95, 2709939), (285, 903313), (463, 556035), (1389, 185345), (1951, 131955), (2315, 111207), (5853, 43985), (6945, 37069), (8797, 29265), (9755, 26391)]