16557352

素因数分解:

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

素因数の和:242

約数の個数: 64

約数和(自身を含む): 37319040

約数和(自身を除く): 20761688

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 61, 74, 122, 131, 148, 244, 259, 262, 296, 427, 488, 518, 524, 854, 917, 1036, 1048, 1708, 1834, 2072, 2257, 3416, 3668, 4514, 4847, 7336, 7991, 9028, 9694, 15799, 15982, 18056, 19388, 31598, 31964, 33929, 38776, 55937, 63196, 63928, 67858, 111874, 126392, 135716, 223748, 271432, 295667, 447496, 591334, 1182668, 2069669, 2365336, 4139338, 8278676, 16557352]

約数ペア:

[(1, 16557352), (2, 8278676), (4, 4139338), (7, 2365336), (8, 2069669), (14, 1182668), (28, 591334), (37, 447496), (56, 295667), (61, 271432), (74, 223748), (122, 135716), (131, 126392), (148, 111874), (244, 67858), (259, 63928), (262, 63196), (296, 55937), (427, 38776), (488, 33929), (518, 31964), (524, 31598), (854, 19388), (917, 18056), (1036, 15982), (1048, 15799), (1708, 9694), (1834, 9028), (2072, 7991), (2257, 7336), (3416, 4847), (3668, 4514)]