201992011

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 233531424

約数和(自身を除く): 31539413

約数列:

[1, 13, 17, 167, 169, 221, 421, 2171, 2839, 2873, 5473, 7157, 28223, 36907, 70307, 71149, 93041, 479791, 913991, 1195219, 1209533, 11881883, 15537847, 201992011]

約数ペア:

[(1, 201992011), (13, 15537847), (17, 11881883), (167, 1209533), (169, 1195219), (221, 913991), (421, 479791), (2171, 93041), (2839, 71149), (2873, 70307), (5473, 36907), (7157, 28223)]