1728223818

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{859}}^1$

素因数の和:1187

約数の個数: 64

約数和(自身を含む): 3685478400

約数和(自身を除く): 1957254582

約数列:

[1, 2, 3, 6, 23, 46, 61, 69, 122, 138, 183, 239, 366, 478, 717, 859, 1403, 1434, 1718, 2577, 2806, 4209, 5154, 5497, 8418, 10994, 14579, 16491, 19757, 29158, 32982, 39514, 43737, 52399, 59271, 87474, 104798, 118542, 157197, 205301, 314394, 335317, 410602, 615903, 670634, 1005951, 1205177, 1231806, 2011902, 2410354, 3615531, 4721923, 7231062, 9443846, 12523361, 14165769, 25046722, 28331538, 37570083, 75140166, 288037303, 576074606, 864111909, 1728223818]

約数ペア:

[(1, 1728223818), (2, 864111909), (3, 576074606), (6, 288037303), (23, 75140166), (46, 37570083), (61, 28331538), (69, 25046722), (122, 14165769), (138, 12523361), (183, 9443846), (239, 7231062), (366, 4721923), (478, 3615531), (717, 2410354), (859, 2011902), (1403, 1231806), (1434, 1205177), (1718, 1005951), (2577, 670634), (2806, 615903), (4209, 410602), (5154, 335317), (5497, 314394), (8418, 205301), (10994, 157197), (14579, 118542), (16491, 104798), (19757, 87474), (29158, 59271), (32982, 52399), (39514, 43737)]