215245576

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 522466560

約数和(自身を除く): 307220984

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 52, 56, 61, 74, 91, 104, 122, 131, 148, 182, 244, 259, 262, 296, 364, 427, 481, 488, 518, 524, 728, 793, 854, 917, 962, 1036, 1048, 1586, 1703, 1708, 1834, 1924, 2072, 2257, 3172, 3367, 3406, 3416, 3668, 3848, 4514, 4847, 5551, 6344, 6734, 6812, 7336, 7991, 9028, 9694, 11102, 11921, 13468, 13624, 15799, 15982, 18056, 19388, 22204, 23842, 26936, 29341, 31598, 31964, 33929, 38776, 44408, 47684, 55937, 58682, 63011, 63196, 63928, 67858, 95368, 103883, 111874, 117364, 126022, 126392, 135716, 205387, 207766, 223748, 234728, 252044, 271432, 295667, 410774, 415532, 441077, 447496, 504088, 591334, 727181, 821548, 831064, 882154, 1182668, 1454362, 1643096, 1764308, 2069669, 2365336, 2908724, 3528616, 3843671, 4139338, 5817448, 7687342, 8278676, 15374684, 16557352, 26905697, 30749368, 53811394, 107622788, 215245576]

約数ペア:

[(1, 215245576), (2, 107622788), (4, 53811394), (7, 30749368), (8, 26905697), (13, 16557352), (14, 15374684), (26, 8278676), (28, 7687342), (37, 5817448), (52, 4139338), (56, 3843671), (61, 3528616), (74, 2908724), (91, 2365336), (104, 2069669), (122, 1764308), (131, 1643096), (148, 1454362), (182, 1182668), (244, 882154), (259, 831064), (262, 821548), (296, 727181), (364, 591334), (427, 504088), (481, 447496), (488, 441077), (518, 415532), (524, 410774), (728, 295667), (793, 271432), (854, 252044), (917, 234728), (962, 223748), (1036, 207766), (1048, 205387), (1586, 135716), (1703, 126392), (1708, 126022), (1834, 117364), (1924, 111874), (2072, 103883), (2257, 95368), (3172, 67858), (3367, 63928), (3406, 63196), (3416, 63011), (3668, 58682), (3848, 55937), (4514, 47684), (4847, 44408), (5551, 38776), (6344, 33929), (6734, 31964), (6812, 31598), (7336, 29341), (7991, 26936), (9028, 23842), (9694, 22204), (11102, 19388), (11921, 18056), (13468, 15982), (13624, 15799)]