809397970

素因数分解:

$2^1\times 5^1\times {\mathrm{12907}}^1\times {\mathrm{6271}}^1$

素因数の和:19185

約数の個数: 16

約数和(自身を含む): 1457261568

約数和(自身を除く): 647863598

約数列:

[1, 2, 5, 10, 6271, 12542, 12907, 25814, 31355, 62710, 64535, 129070, 80939797, 161879594, 404698985, 809397970]

約数ペア:

[(1, 809397970), (2, 404698985), (5, 161879594), (10, 80939797), (6271, 129070), (12542, 64535), (12907, 62710), (25814, 31355)]