9871988

素因数分解:

$2^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1301}}^1$

素因数の和:1583

約数の個数: 24

約数和(自身を含む): 19832064

約数和(自身を除く): 9960076

約数列:

[1, 2, 4, 7, 14, 28, 271, 542, 1084, 1301, 1897, 2602, 3794, 5204, 7588, 9107, 18214, 36428, 352571, 705142, 1410284, 2467997, 4935994, 9871988]

約数ペア:

[(1, 9871988), (2, 4935994), (4, 2467997), (7, 1410284), (14, 705142), (28, 352571), (271, 36428), (542, 18214), (1084, 9107), (1301, 7588), (1897, 5204), (2602, 3794)]