189440279

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^2$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 232417920

約数和(自身を除く): 42977641

約数列:

[1, 7, 19, 83, 131, 133, 581, 917, 1577, 2489, 10873, 11039, 17161, 17423, 76111, 120127, 206587, 326059, 1424363, 1446109, 2282413, 9970541, 27062897, 189440279]

約数ペア:

[(1, 189440279), (7, 27062897), (19, 9970541), (83, 2282413), (131, 1446109), (133, 1424363), (581, 326059), (917, 206587), (1577, 120127), (2489, 76111), (10873, 17423), (11039, 17161)]