87290497

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{6863}}^1$

素因数の和:6972

約数の個数: 16

約数和(自身を含む): 105431040

約数和(自身を除く): 18140543

約数列:

[1, 7, 23, 79, 161, 553, 1817, 6863, 12719, 48041, 157849, 542177, 1104943, 3795239, 12470071, 87290497]

約数ペア:

[(1, 87290497), (7, 12470071), (23, 3795239), (79, 1104943), (161, 542177), (553, 157849), (1817, 48041), (6863, 12719)]