636804

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{19}}^2$

素因数の和:62

約数の個数: 81

約数和(自身を含む): 1976247

約数和(自身を除く): 1339443

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 49, 57, 63, 76, 84, 98, 114, 126, 133, 147, 171, 196, 228, 252, 266, 294, 342, 361, 399, 441, 532, 588, 684, 722, 798, 882, 931, 1083, 1197, 1444, 1596, 1764, 1862, 2166, 2394, 2527, 2793, 3249, 3724, 4332, 4788, 5054, 5586, 6498, 7581, 8379, 10108, 11172, 12996, 15162, 16758, 17689, 22743, 30324, 33516, 35378, 45486, 53067, 70756, 90972, 106134, 159201, 212268, 318402, 636804]

約数ペア:

[(1, 636804), (2, 318402), (3, 212268), (4, 159201), (6, 106134), (7, 90972), (9, 70756), (12, 53067), (14, 45486), (18, 35378), (19, 33516), (21, 30324), (28, 22743), (36, 17689), (38, 16758), (42, 15162), (49, 12996), (57, 11172), (63, 10108), (76, 8379), (84, 7581), (98, 6498), (114, 5586), (126, 5054), (133, 4788), (147, 4332), (171, 3724), (196, 3249), (228, 2793), (252, 2527), (266, 2394), (294, 2166), (342, 1862), (361, 1764), (399, 1596), (441, 1444), (532, 1197), (588, 1083), (684, 931), (722, 882)]