219835993

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{1607}}^1$

素因数の和:2256

約数の個数: 16

約数和(自身を含む): 251233920

約数和(自身を除く): 31397927

約数列:

[1, 13, 17, 221, 619, 1607, 8047, 10523, 20891, 27319, 136799, 355147, 994733, 12931529, 16910461, 219835993]

約数ペア:

[(1, 219835993), (13, 16910461), (17, 12931529), (221, 994733), (619, 355147), (1607, 136799), (8047, 27319), (10523, 20891)]