99897421

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 116212320

約数和(自身を除く): 16314899

約数列:

[1, 13, 19, 53, 169, 247, 587, 689, 1007, 3211, 7631, 8957, 11153, 13091, 31111, 99203, 144989, 170183, 404443, 591109, 1884857, 5257759, 7684417, 99897421]

約数ペア:

[(1, 99897421), (13, 7684417), (19, 5257759), (53, 1884857), (169, 591109), (247, 404443), (587, 170183), (689, 144989), (1007, 99203), (3211, 31111), (7631, 13091), (8957, 11153)]