1018880848

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{323249}}^1$

素因数の和:323454

約数の個数: 20

約数和(自身を含む): 1984108500

約数和(自身を除く): 965227652

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 323249, 646498, 1292996, 2585992, 5171984, 63680053, 127360106, 254720212, 509440424, 1018880848]

約数ペア:

[(1, 1018880848), (2, 509440424), (4, 254720212), (8, 127360106), (16, 63680053), (197, 5171984), (394, 2585992), (788, 1292996), (1576, 646498), (3152, 323249)]