218578679

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{7019}}^1$

素因数の和:7198

約数の個数: 16

約数和(自身を含む): 252720000

約数和(自身を除く): 34141321

約数列:

[1, 11, 19, 149, 209, 1639, 2831, 7019, 31141, 77209, 133361, 1045831, 1466971, 11504141, 19870789, 218578679]

約数ペア:

[(1, 218578679), (11, 19870789), (19, 11504141), (149, 1466971), (209, 1045831), (1639, 133361), (2831, 77209), (7019, 31141)]