1389703910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19852913}}^1$

素因数の和:19852927

約数の個数: 16

約数和(自身を含む): 2858819616

約数和(自身を除く): 1469115706

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 19852913, 39705826, 99264565, 138970391, 198529130, 277940782, 694851955, 1389703910]

約数ペア:

[(1, 1389703910), (2, 694851955), (5, 277940782), (7, 198529130), (10, 138970391), (14, 99264565), (35, 39705826), (70, 19852913)]