66900776

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{194479}}^1$

素因数の和:194528

約数の個数: 16

約数和(自身を含む): 128356800

約数和(自身を除く): 61456024

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 194479, 388958, 777916, 1555832, 8362597, 16725194, 33450388, 66900776]

約数ペア:

[(1, 66900776), (2, 33450388), (4, 16725194), (8, 8362597), (43, 1555832), (86, 777916), (172, 388958), (344, 194479)]