201990311

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{773}}^1\times {\mathrm{809}}^1$

素因数の和:1618

約数の個数: 16

約数和(自身を含む): 225698400

約数和(自身を除く): 23708089

約数列:

[1, 17, 19, 323, 773, 809, 13141, 13753, 14687, 15371, 249679, 261307, 625357, 10631069, 11881783, 201990311]

約数ペア:

[(1, 201990311), (17, 11881783), (19, 10631069), (323, 625357), (773, 261307), (809, 249679), (13141, 15371), (13753, 14687)]