208757988

素因数分解:

$2^2\times 3^2\times {\mathrm{269}}^1\times {\mathrm{21557}}^1$

素因数の和:21836

約数の個数: 36

約数和(自身を含む): 529680060

約数和(自身を除く): 320922072

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 269, 538, 807, 1076, 1614, 2421, 3228, 4842, 9684, 21557, 43114, 64671, 86228, 129342, 194013, 258684, 388026, 776052, 5798833, 11597666, 17396499, 23195332, 34792998, 52189497, 69585996, 104378994, 208757988]

約数ペア:

[(1, 208757988), (2, 104378994), (3, 69585996), (4, 52189497), (6, 34792998), (9, 23195332), (12, 17396499), (18, 11597666), (36, 5798833), (269, 776052), (538, 388026), (807, 258684), (1076, 194013), (1614, 129342), (2421, 86228), (3228, 64671), (4842, 43114), (9684, 21557)]