989647555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{38351}}^1$

素因数の和:38766

約数の個数: 16

約数和(自身を含む): 1282184064

約数和(自身を除く): 292536509

約数列:

[1, 5, 13, 65, 397, 1985, 5161, 25805, 38351, 191755, 498563, 2492815, 15225347, 76126735, 197929511, 989647555]

約数ペア:

[(1, 989647555), (5, 197929511), (13, 76126735), (65, 15225347), (397, 2492815), (1985, 498563), (5161, 191755), (25805, 38351)]