1615216

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:808

約数の個数: 20

約数和(自身を含む): 3154312

約数和(自身を除く): 1539096

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 643, 1256, 1286, 2512, 2572, 5144, 10288, 100951, 201902, 403804, 807608, 1615216]

約数ペア:

[(1, 1615216), (2, 807608), (4, 403804), (8, 201902), (16, 100951), (157, 10288), (314, 5144), (628, 2572), (643, 2512), (1256, 1286)]