257419638

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{15361}}^1$

素因数の和:15402

約数の個数: 72

約数和(自身を含む): 682994520

約数和(自身を除く): 425574882

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1197, 1862, 2394, 2793, 5586, 8379, 15361, 16758, 30722, 46083, 92166, 107527, 138249, 215054, 276498, 291859, 322581, 583718, 645162, 752689, 875577, 967743, 1505378, 1751154, 1935486, 2043013, 2258067, 2626731, 4086026, 4516134, 5253462, 6129039, 6774201, 12258078, 13548402, 14301091, 18387117, 28602182, 36774234, 42903273, 85806546, 128709819, 257419638]

約数ペア:

[(1, 257419638), (2, 128709819), (3, 85806546), (6, 42903273), (7, 36774234), (9, 28602182), (14, 18387117), (18, 14301091), (19, 13548402), (21, 12258078), (38, 6774201), (42, 6129039), (49, 5253462), (57, 4516134), (63, 4086026), (98, 2626731), (114, 2258067), (126, 2043013), (133, 1935486), (147, 1751154), (171, 1505378), (266, 967743), (294, 875577), (342, 752689), (399, 645162), (441, 583718), (798, 322581), (882, 291859), (931, 276498), (1197, 215054), (1862, 138249), (2394, 107527), (2793, 92166), (5586, 46083), (8379, 30722), (15361, 16758)]