1989445766

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{80239}}^1$

素因数の和:80289

約数の個数: 48

約数和(自身を含む): 3951659520

約数和(自身を除く): 1962213754

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 49, 77, 98, 154, 161, 253, 322, 506, 539, 1078, 1127, 1771, 2254, 3542, 12397, 24794, 80239, 160478, 561673, 882629, 1123346, 1765258, 1845497, 3690994, 3931711, 6178403, 7863422, 12356806, 12918479, 20300467, 25836958, 40600934, 43248821, 86497642, 90429353, 142103269, 180858706, 284206538, 994722883, 1989445766]

約数ペア:

[(1, 1989445766), (2, 994722883), (7, 284206538), (11, 180858706), (14, 142103269), (22, 90429353), (23, 86497642), (46, 43248821), (49, 40600934), (77, 25836958), (98, 20300467), (154, 12918479), (161, 12356806), (253, 7863422), (322, 6178403), (506, 3931711), (539, 3690994), (1078, 1845497), (1127, 1765258), (1771, 1123346), (2254, 882629), (3542, 561673), (12397, 160478), (24794, 80239)]