641021570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{9157451}}^1$

素因数の和:9157465

約数の個数: 16

約数和(自身を含む): 1318673088

約数和(自身を除く): 677651518

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 9157451, 18314902, 45787255, 64102157, 91574510, 128204314, 320510785, 641021570]

約数ペア:

[(1, 641021570), (2, 320510785), (5, 128204314), (7, 91574510), (10, 64102157), (14, 45787255), (35, 18314902), (70, 9157451)]