1277974321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{21563}}^1$

素因数の和:21720

約数の個数: 16

約数和(自身を含む): 1420118784

約数和(自身を除く): 142144463

約数列:

[1, 13, 47, 97, 611, 1261, 4559, 21563, 59267, 280319, 1013461, 2091611, 13174993, 27190943, 98305717, 1277974321]

約数ペア:

[(1, 1277974321), (13, 98305717), (47, 27190943), (97, 13174993), (611, 2091611), (1261, 1013461), (4559, 280319), (21563, 59267)]