13540528

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{19681}}^1$

素因数の和:19732

約数の個数: 20

約数和(自身を含む): 26846248

約数和(自身を除く): 13305720

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 19681, 39362, 78724, 157448, 314896, 846283, 1692566, 3385132, 6770264, 13540528]

約数ペア:

[(1, 13540528), (2, 6770264), (4, 3385132), (8, 1692566), (16, 846283), (43, 314896), (86, 157448), (172, 78724), (344, 39362), (688, 19681)]