256551794

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{971}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 430401600

約数和(自身を除く): 173849806

約数列:

[1, 2, 17, 19, 34, 38, 323, 409, 646, 818, 971, 1942, 6953, 7771, 13906, 15542, 16507, 18449, 33014, 36898, 132107, 264214, 313633, 397139, 627266, 794278, 6751363, 7545641, 13502726, 15091282, 128275897, 256551794]

約数ペア:

[(1, 256551794), (2, 128275897), (17, 15091282), (19, 13502726), (34, 7545641), (38, 6751363), (323, 794278), (409, 627266), (646, 397139), (818, 313633), (971, 264214), (1942, 132107), (6953, 36898), (7771, 33014), (13906, 18449), (15542, 16507)]