201098989

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{315697}}^1$

素因数の和:315724

約数の個数: 12

約数和(自身を含む): 251927004

約数和(自身を除く): 50828015

約数列:

[1, 7, 13, 49, 91, 637, 315697, 2209879, 4104061, 15469153, 28728427, 201098989]

約数ペア:

[(1, 201098989), (7, 28728427), (13, 15469153), (49, 4104061), (91, 2209879), (637, 315697)]