1640908036

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 2980454400

約数和(自身を除く): 1339546364

約数列:

[1, 2, 4, 43, 86, 172, 179, 223, 239, 358, 446, 478, 716, 892, 956, 7697, 9589, 10277, 15394, 19178, 20554, 30788, 38356, 39917, 41108, 42781, 53297, 79834, 85562, 106594, 159668, 171124, 213188, 1716431, 1839583, 2291771, 3432862, 3679166, 4583542, 6865724, 7358332, 9167084, 9540163, 19080326, 38160652, 410227009, 820454018, 1640908036]

約数ペア:

[(1, 1640908036), (2, 820454018), (4, 410227009), (43, 38160652), (86, 19080326), (172, 9540163), (179, 9167084), (223, 7358332), (239, 6865724), (358, 4583542), (446, 3679166), (478, 3432862), (716, 2291771), (892, 1839583), (956, 1716431), (7697, 213188), (9589, 171124), (10277, 159668), (15394, 106594), (19178, 85562), (20554, 79834), (30788, 53297), (38356, 42781), (39917, 41108)]