2019928345

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{1297}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 2543498496

約数和(自身を除く): 523570151

約数列:

[1, 5, 41, 71, 107, 205, 355, 535, 1297, 2911, 4387, 6485, 7597, 14555, 21935, 37985, 53177, 92087, 138779, 265885, 311477, 460435, 693895, 1557385, 3775567, 5689939, 9853309, 18877835, 28449695, 49266545, 403985669, 2019928345]

約数ペア:

[(1, 2019928345), (5, 403985669), (41, 49266545), (71, 28449695), (107, 18877835), (205, 9853309), (355, 5689939), (535, 3775567), (1297, 1557385), (2911, 693895), (4387, 460435), (6485, 311477), (7597, 265885), (14555, 138779), (21935, 92087), (37985, 53177)]