1391991118

素因数分解:

$2^1\times 7^2\times {\mathrm{2897}}^1\times {\mathrm{4903}}^1$

素因数の和:7816

約数の個数: 24

約数和(自身を含む): 2430216432

約数和(自身を除く): 1038225314

約数列:

[1, 2, 7, 14, 49, 98, 2897, 4903, 5794, 9806, 20279, 34321, 40558, 68642, 141953, 240247, 283906, 480494, 14203991, 28407982, 99427937, 198855874, 695995559, 1391991118]

約数ペア:

[(1, 1391991118), (2, 695995559), (7, 198855874), (14, 99427937), (49, 28407982), (98, 14203991), (2897, 480494), (4903, 283906), (5794, 240247), (9806, 141953), (20279, 68642), (34321, 40558)]