1421977781

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{1601}}^1\times {\mathrm{4093}}^1$

素因数の和:5732

約数の個数: 16

約数和(自身を含む): 1678998528

約数和(自身を除く): 257020747

約数列:

[1, 7, 31, 217, 1601, 4093, 11207, 28651, 49631, 126883, 347417, 888181, 6552893, 45870251, 203139683, 1421977781]

約数ペア:

[(1, 1421977781), (7, 203139683), (31, 45870251), (217, 6552893), (1601, 888181), (4093, 347417), (11207, 126883), (28651, 49631)]