256465482

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{469717}}^1$

素因数の和:469742

約数の個数: 32

約数和(自身を含む): 631300992

約数和(自身を除く): 374835510

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 469717, 939434, 1409151, 2818302, 3288019, 6106321, 6576038, 9864057, 12212642, 18318963, 19728114, 36637926, 42744247, 85488494, 128232741, 256465482]

約数ペア:

[(1, 256465482), (2, 128232741), (3, 85488494), (6, 42744247), (7, 36637926), (13, 19728114), (14, 18318963), (21, 12212642), (26, 9864057), (39, 6576038), (42, 6106321), (78, 3288019), (91, 2818302), (182, 1409151), (273, 939434), (546, 469717)]