72641989

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{2141}}^1$

素因数の和:2316

約数の個数: 16

約数和(自身を含む): 85954176

約数和(自身を除く): 13312187

約数列:

[1, 7, 37, 131, 259, 917, 2141, 4847, 14987, 33929, 79217, 280471, 554519, 1963297, 10377427, 72641989]

約数ペア:

[(1, 72641989), (7, 10377427), (37, 1963297), (131, 554519), (259, 280471), (917, 79217), (2141, 33929), (4847, 14987)]