644328208

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{759821}}^1$

素因数の和:759882

約数の個数: 20

約数和(自身を含む): 1271942028

約数和(自身を除く): 627613820

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 759821, 1519642, 3039284, 6078568, 12157136, 40270513, 80541026, 161082052, 322164104, 644328208]

約数ペア:

[(1, 644328208), (2, 322164104), (4, 161082052), (8, 80541026), (16, 40270513), (53, 12157136), (106, 6078568), (212, 3039284), (424, 1519642), (848, 759821)]