218978929

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{6719}}^1$

素因数の和:6864

約数の個数: 16

約数和(自身を含む): 248371200

約数和(自身を除く): 29392271

約数列:

[1, 13, 23, 109, 299, 1417, 2507, 6719, 32591, 87347, 154537, 732371, 2008981, 9520823, 16844533, 218978929]

約数ペア:

[(1, 218978929), (13, 16844533), (23, 9520823), (109, 2008981), (299, 732371), (1417, 154537), (2507, 87347), (6719, 32591)]