665583412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1511}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 1290909312

約数和(自身を除く): 625325900

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 197, 394, 559, 788, 1118, 1511, 2236, 2561, 3022, 5122, 6044, 8471, 10244, 16942, 19643, 33884, 39286, 64973, 78572, 110123, 129946, 220246, 259892, 297667, 440492, 595334, 844649, 1190668, 1689298, 3378596, 3869671, 7739342, 12799681, 15478684, 25599362, 51198724, 166395853, 332791706, 665583412]

約数ペア:

[(1, 665583412), (2, 332791706), (4, 166395853), (13, 51198724), (26, 25599362), (43, 15478684), (52, 12799681), (86, 7739342), (172, 3869671), (197, 3378596), (394, 1689298), (559, 1190668), (788, 844649), (1118, 595334), (1511, 440492), (2236, 297667), (2561, 259892), (3022, 220246), (5122, 129946), (6044, 110123), (8471, 78572), (10244, 64973), (16942, 39286), (19643, 33884)]