686773424

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{308801}}^1$

素因数の和:308948

約数の個数: 20

約数和(自身を含む): 1340200680

約数和(自身を除く): 653427256

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 308801, 617602, 1235204, 2470408, 4940816, 42923339, 85846678, 171693356, 343386712, 686773424]

約数ペア:

[(1, 686773424), (2, 343386712), (4, 171693356), (8, 85846678), (16, 42923339), (139, 4940816), (278, 2470408), (556, 1235204), (1112, 617602), (2224, 308801)]