1399408052

素因数分解:

$2^2\times 7^2\times {\mathrm{7139837}}^1$

素因数の和:7139855

約数の個数: 18

約数和(自身を含む): 2848795362

約数和(自身を除く): 1449387310

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 7139837, 14279674, 28559348, 49978859, 99957718, 199915436, 349852013, 699704026, 1399408052]

約数ペア:

[(1, 1399408052), (2, 699704026), (4, 349852013), (7, 199915436), (14, 99957718), (28, 49978859), (49, 28559348), (98, 14279674), (196, 7139837)]