778880345

素因数分解:

$5^1\times {\mathrm{401}}^1\times {\mathrm{479}}^1\times {\mathrm{811}}^1$

素因数の和:1696

約数の個数: 16

約数和(自身を含む): 940101120

約数和(自身を除く): 161220775

約数列:

[1, 5, 401, 479, 811, 2005, 2395, 4055, 192079, 325211, 388469, 960395, 1626055, 1942345, 155776069, 778880345]

約数ペア:

[(1, 778880345), (5, 155776069), (401, 1942345), (479, 1626055), (811, 960395), (2005, 388469), (2395, 325211), (4055, 192079)]