1640443388

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{2612171}}^1$

素因数の和:2612332

約数の個数: 12

約数和(自身を含む): 2889062232

約数和(自身を除く): 1248618844

約数列:

[1, 2, 4, 157, 314, 628, 2612171, 5224342, 10448684, 410110847, 820221694, 1640443388]

約数ペア:

[(1, 1640443388), (2, 820221694), (4, 410110847), (157, 10448684), (314, 5224342), (628, 2612171)]