645561572

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{199}}^1\times {\mathrm{5443}}^1$

素因数の和:5795

約数の個数: 24

約数和(自身を含む): 1143240000

約数和(自身を除く): 497678428

約数列:

[1, 2, 4, 149, 199, 298, 398, 596, 796, 5443, 10886, 21772, 29651, 59302, 118604, 811007, 1083157, 1622014, 2166314, 3244028, 4332628, 161390393, 322780786, 645561572]

約数ペア:

[(1, 645561572), (2, 322780786), (4, 161390393), (149, 4332628), (199, 3244028), (298, 2166314), (398, 1622014), (596, 1083157), (796, 811007), (5443, 118604), (10886, 59302), (21772, 29651)]