1304644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 2520000

約数和(自身を除く): 1215356

約数列:

[1, 2, 4, 11, 22, 44, 149, 199, 298, 398, 596, 796, 1639, 2189, 3278, 4378, 6556, 8756, 29651, 59302, 118604, 326161, 652322, 1304644]

約数ペア:

[(1, 1304644), (2, 652322), (4, 326161), (11, 118604), (22, 59302), (44, 29651), (149, 8756), (199, 6556), (298, 4378), (398, 3278), (596, 2189), (796, 1639)]