640794

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:115

約数の個数: 64

約数和(自身を含む): 1704960

約数和(自身を除く): 1064166

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 66, 73, 77, 114, 133, 146, 154, 209, 219, 231, 266, 399, 418, 438, 462, 511, 627, 798, 803, 1022, 1254, 1387, 1463, 1533, 1606, 2409, 2774, 2926, 3066, 4161, 4389, 4818, 5621, 8322, 8778, 9709, 11242, 15257, 16863, 19418, 29127, 30514, 33726, 45771, 58254, 91542, 106799, 213598, 320397, 640794]

約数ペア:

[(1, 640794), (2, 320397), (3, 213598), (6, 106799), (7, 91542), (11, 58254), (14, 45771), (19, 33726), (21, 30514), (22, 29127), (33, 19418), (38, 16863), (42, 15257), (57, 11242), (66, 9709), (73, 8778), (77, 8322), (114, 5621), (133, 4818), (146, 4389), (154, 4161), (209, 3066), (219, 2926), (231, 2774), (266, 2409), (399, 1606), (418, 1533), (438, 1463), (462, 1387), (511, 1254), (627, 1022), (798, 803)]