3880490887

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{2089}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 4845456000

約数和(自身を除く): 964965113

約数列:

[1, 7, 13, 91, 137, 149, 959, 1043, 1781, 1937, 2089, 12467, 13559, 14623, 20413, 27157, 142891, 190099, 265369, 286193, 311261, 1857583, 2003351, 2178827, 3720509, 4046393, 26043563, 28324751, 42642757, 298499299, 554355841, 3880490887]

約数ペア:

[(1, 3880490887), (7, 554355841), (13, 298499299), (91, 42642757), (137, 28324751), (149, 26043563), (959, 4046393), (1043, 3720509), (1781, 2178827), (1937, 2003351), (2089, 1857583), (12467, 311261), (13559, 286193), (14623, 265369), (20413, 190099), (27157, 142891)]