39998915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{10243}}^1$

素因数の和:10330

約数の個数: 16

約数和(自身を含む): 53104896

約数和(自身を除く): 13105981

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 10243, 51215, 112673, 563365, 727253, 3636265, 7999783, 39998915]

約数ペア:

[(1, 39998915), (5, 7999783), (11, 3636265), (55, 727253), (71, 563365), (355, 112673), (781, 51215), (3905, 10243)]