256261252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3697}}^1$

素因数の和:3788

約数の個数: 48

約数和(自身を含む): 510264832

約数和(自身を除く): 254003580

約数列:

[1, 2, 4, 13, 26, 31, 43, 52, 62, 86, 124, 172, 403, 559, 806, 1118, 1333, 1612, 2236, 2666, 3697, 5332, 7394, 14788, 17329, 34658, 48061, 69316, 96122, 114607, 158971, 192244, 229214, 317942, 458428, 635884, 1489891, 2066623, 2979782, 4133246, 4928101, 5959564, 8266492, 9856202, 19712404, 64065313, 128130626, 256261252]

約数ペア:

[(1, 256261252), (2, 128130626), (4, 64065313), (13, 19712404), (26, 9856202), (31, 8266492), (43, 5959564), (52, 4928101), (62, 4133246), (86, 2979782), (124, 2066623), (172, 1489891), (403, 635884), (559, 458428), (806, 317942), (1118, 229214), (1333, 192244), (1612, 158971), (2236, 114607), (2666, 96122), (3697, 69316), (5332, 48061), (7394, 34658), (14788, 17329)]