66781264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{379439}}^1$

素因数の和:379458

約数の個数: 20

約数和(自身を含む): 141151680

約数和(自身を除く): 74370416

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 379439, 758878, 1517756, 3035512, 4173829, 6071024, 8347658, 16695316, 33390632, 66781264]

約数ペア:

[(1, 66781264), (2, 33390632), (4, 16695316), (8, 8347658), (11, 6071024), (16, 4173829), (22, 3035512), (44, 1517756), (88, 758878), (176, 379439)]