989527

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 16

約数和(自身を含む): 1257984

約数和(自身を除く): 268457

約数列:

[1, 7, 11, 71, 77, 181, 497, 781, 1267, 1991, 5467, 12851, 13937, 89957, 141361, 989527]

約数ペア:

[(1, 989527), (7, 141361), (11, 89957), (71, 13937), (77, 12851), (181, 5467), (497, 1991), (781, 1267)]