81578999

素因数分解:

${\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 87187968

約数和(自身を除く): 5608969

約数列:

[1, 23, 67, 167, 317, 1541, 3841, 7291, 11189, 21239, 52939, 257347, 488497, 1217597, 3546913, 81578999]

約数ペア:

[(1, 81578999), (23, 3546913), (67, 1217597), (167, 488497), (317, 257347), (1541, 52939), (3841, 21239), (7291, 11189)]