1243012988

素因数分解:

$2^2\times 7^2\times {\mathrm{6341903}}^1$

素因数の和:6341921

約数の個数: 18

約数和(自身を含む): 2530419696

約数和(自身を除く): 1287406708

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 6341903, 12683806, 25367612, 44393321, 88786642, 177573284, 310753247, 621506494, 1243012988]

約数ペア:

[(1, 1243012988), (2, 621506494), (4, 310753247), (7, 177573284), (14, 88786642), (28, 44393321), (49, 25367612), (98, 12683806), (196, 6341903)]