13878620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{99133}}^1$

素因数の和:99149

約数の個数: 24

約数和(自身を含む): 33309024

約数和(自身を除く): 19430404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 99133, 198266, 396532, 495665, 693931, 991330, 1387862, 1982660, 2775724, 3469655, 6939310, 13878620]

約数ペア:

[(1, 13878620), (2, 6939310), (4, 3469655), (5, 2775724), (7, 1982660), (10, 1387862), (14, 991330), (20, 693931), (28, 495665), (35, 396532), (70, 198266), (140, 99133)]