211679990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{729931}}^1$

素因数の和:729967

約数の個数: 16

約数和(自身を含む): 394163280

約数和(自身を除く): 182483290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 729931, 1459862, 3649655, 7299310, 21167999, 42335998, 105839995, 211679990]

約数ペア:

[(1, 211679990), (2, 105839995), (5, 42335998), (10, 21167999), (29, 7299310), (58, 3649655), (145, 1459862), (290, 729931)]