647588784

素因数分解:

$2^4\times 3^1\times {\mathrm{13491433}}^1$

素因数の和:13491444

約数の個数: 20

約数和(自身を含む): 1672937816

約数和(自身を除く): 1025349032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13491433, 26982866, 40474299, 53965732, 80948598, 107931464, 161897196, 215862928, 323794392, 647588784]

約数ペア:

[(1, 647588784), (2, 323794392), (3, 215862928), (4, 161897196), (6, 107931464), (8, 80948598), (12, 53965732), (16, 40474299), (24, 26982866), (48, 13491433)]