2081570405

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{101863}}^1$

素因数の和:101996

約数の個数: 16

約数和(自身を含む): 2576751744

約数和(自身を除く): 495181339

約数列:

[1, 5, 61, 67, 305, 335, 4087, 20435, 101863, 509315, 6213643, 6824821, 31068215, 34124105, 416314081, 2081570405]

約数ペア:

[(1, 2081570405), (5, 416314081), (61, 34124105), (67, 31068215), (305, 6824821), (335, 6213643), (4087, 509315), (20435, 101863)]