217806329

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{51871}}^1$

素因数の和:51920

約数の個数: 16

約数和(自身を含む): 261434880

約数和(自身を除く): 43628551

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 51871, 674323, 881807, 985549, 11463491, 12812137, 16754333, 217806329]

約数ペア:

[(1, 217806329), (13, 16754333), (17, 12812137), (19, 11463491), (221, 985549), (247, 881807), (323, 674323), (4199, 51871)]