420869371105

素因数分解:

$5^1\times {\mathrm{643}}^1\times {\mathrm{797}}^1\times {\mathrm{164251}}^1$

素因数の和:165696

約数の個数: 16

約数和(自身を含む): 506466442944

約数和(自身を除く): 85597071839

約数列:

[1, 5, 643, 797, 3215, 3985, 164251, 512471, 821255, 2562355, 105613393, 130908047, 528066965, 654540235, 84173874221, 420869371105]

約数ペア:

[(1, 420869371105), (5, 84173874221), (643, 654540235), (797, 528066965), (3215, 130908047), (3985, 105613393), (164251, 2562355), (512471, 821255)]