17678969

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{523}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 22133760

約数和(自身を除く): 4454791

約数列:

[1, 7, 11, 77, 439, 523, 3073, 3661, 4829, 5753, 33803, 40271, 229597, 1607179, 2525567, 17678969]

約数ペア:

[(1, 17678969), (7, 2525567), (11, 1607179), (77, 229597), (439, 40271), (523, 33803), (3073, 5753), (3661, 4829)]