161241787

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{31511}}^1$

素因数の和:31578

約数の個数: 16

約数和(自身を含む): 199660032

約数和(自身を除く): 38418245

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 31511, 220577, 535687, 1354973, 3749809, 9484811, 23034541, 161241787]

約数ペア:

[(1, 161241787), (7, 23034541), (17, 9484811), (43, 3749809), (119, 1354973), (301, 535687), (731, 220577), (5117, 31511)]