289137991

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{1223}}^1$

素因数の和:1806

約数の個数: 16

約数和(自身を含む): 318435840

約数和(自身を除く): 29297849

約数列:

[1, 19, 23, 437, 541, 1223, 10279, 12443, 23237, 28129, 236417, 534451, 661643, 12571217, 15217789, 289137991]

約数ペア:

[(1, 289137991), (19, 15217789), (23, 12571217), (437, 661643), (541, 534451), (1223, 236417), (10279, 28129), (12443, 23237)]