1388962708

素因数分解:

$2^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{111977}}^1$

素因数の和:112431

約数の個数: 24

約数和(自身を含む): 2784220992

約数和(自身を除く): 1395258284

約数列:

[1, 2, 4, 7, 14, 28, 443, 886, 1772, 3101, 6202, 12404, 111977, 223954, 447908, 783839, 1567678, 3135356, 49605811, 99211622, 198423244, 347240677, 694481354, 1388962708]

約数ペア:

[(1, 1388962708), (2, 694481354), (4, 347240677), (7, 198423244), (14, 99211622), (28, 49605811), (443, 3135356), (886, 1567678), (1772, 783839), (3101, 447908), (6202, 223954), (12404, 111977)]