205123544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 417312000

約数和(自身を除く): 212188456

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 83, 142, 152, 166, 229, 284, 332, 458, 568, 664, 916, 1349, 1577, 1832, 2698, 3154, 4351, 5396, 5893, 6308, 8702, 10792, 11786, 12616, 16259, 17404, 19007, 23572, 32518, 34808, 38014, 47144, 65036, 76028, 111967, 130072, 152056, 223934, 308921, 361133, 447868, 617842, 722266, 895736, 1235684, 1349497, 1444532, 2471368, 2698994, 2889064, 5397988, 10795976, 25640443, 51280886, 102561772, 205123544]

約数ペア:

[(1, 205123544), (2, 102561772), (4, 51280886), (8, 25640443), (19, 10795976), (38, 5397988), (71, 2889064), (76, 2698994), (83, 2471368), (142, 1444532), (152, 1349497), (166, 1235684), (229, 895736), (284, 722266), (332, 617842), (458, 447868), (568, 361133), (664, 308921), (916, 223934), (1349, 152056), (1577, 130072), (1832, 111967), (2698, 76028), (3154, 65036), (4351, 47144), (5396, 38014), (5893, 34808), (6308, 32518), (8702, 23572), (10792, 19007), (11786, 17404), (12616, 16259)]