77910998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1609}}^1$

素因数の和:1724

約数の個数: 32

約数和(自身を含む): 133539840

約数和(自身を除く): 55628842

約数列:

[1, 2, 11, 22, 31, 62, 71, 142, 341, 682, 781, 1562, 1609, 2201, 3218, 4402, 17699, 24211, 35398, 48422, 49879, 99758, 114239, 228478, 548669, 1097338, 1256629, 2513258, 3541409, 7082818, 38955499, 77910998]

約数ペア:

[(1, 77910998), (2, 38955499), (11, 7082818), (22, 3541409), (31, 2513258), (62, 1256629), (71, 1097338), (142, 548669), (341, 228478), (682, 114239), (781, 99758), (1562, 49879), (1609, 48422), (2201, 35398), (3218, 24211), (4402, 17699)]