1285198270

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1444043}}^1$

素因数の和:1444139

約数の個数: 16

約数和(自身を含む): 2339351280

約数和(自身を除く): 1054153010

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1444043, 2888086, 7220215, 14440430, 128519827, 257039654, 642599135, 1285198270]

約数ペア:

[(1, 1285198270), (2, 642599135), (5, 257039654), (10, 128519827), (89, 14440430), (178, 7220215), (445, 2888086), (890, 1444043)]