201897395

素因数分解:

$5^1\times 7^2\times {\mathrm{509}}^1\times {\mathrm{1619}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 282560400

約数和(自身を除く): 80663005

約数列:

[1, 5, 7, 35, 49, 245, 509, 1619, 2545, 3563, 8095, 11333, 17815, 24941, 56665, 79331, 124705, 396655, 824071, 4120355, 5768497, 28842485, 40379479, 201897395]

約数ペア:

[(1, 201897395), (5, 40379479), (7, 28842485), (35, 5768497), (49, 4120355), (245, 824071), (509, 396655), (1619, 124705), (2545, 79331), (3563, 56665), (8095, 24941), (11333, 17815)]