664604810

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{485113}}^1$

素因数の和:485257

約数の個数: 16

約数和(自身を含む): 1205023176

約数和(自身を除く): 540418366

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 485113, 970226, 2425565, 4851130, 66460481, 132920962, 332302405, 664604810]

約数ペア:

[(1, 664604810), (2, 332302405), (5, 132920962), (10, 66460481), (137, 4851130), (274, 2425565), (685, 970226), (1370, 485113)]