1989291241

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{6563}}^1$

素因数の和:6685

約数の個数: 32

約数和(自身を含む): 2495370240

約数和(自身を除く): 506078999

約数列:

[1, 7, 19, 43, 53, 133, 301, 371, 817, 1007, 2279, 5719, 6563, 7049, 15953, 43301, 45941, 124697, 282209, 303107, 347839, 872879, 1975463, 2434873, 5361971, 6608941, 14957077, 37533797, 46262587, 104699539, 284184463, 1989291241]

約数ペア:

[(1, 1989291241), (7, 284184463), (19, 104699539), (43, 46262587), (53, 37533797), (133, 14957077), (301, 6608941), (371, 5361971), (817, 2434873), (1007, 1975463), (2279, 872879), (5719, 347839), (6563, 303107), (7049, 282209), (15953, 124697), (43301, 45941)]