209212945

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{11161}}^1$

素因数の和:11352

約数の個数: 16

約数和(自身を含む): 263601792

約数和(自身を除く): 54388847

約数列:

[1, 5, 23, 115, 163, 815, 3749, 11161, 18745, 55805, 256703, 1283515, 1819243, 9096215, 41842589, 209212945]

約数ペア:

[(1, 209212945), (5, 41842589), (23, 9096215), (115, 1819243), (163, 1283515), (815, 256703), (3749, 55805), (11161, 18745)]