209509352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{463}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 448224000

約数和(自身を除く): 238714648

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 229, 247, 458, 463, 494, 916, 926, 988, 1832, 1852, 1976, 2977, 3704, 4351, 5954, 6019, 8702, 8797, 11908, 12038, 17404, 17594, 23816, 24076, 34808, 35188, 48152, 56563, 70376, 106027, 113126, 114361, 212054, 226252, 228722, 424108, 452504, 457444, 848216, 914888, 1378351, 2014513, 2756702, 4029026, 5513404, 8058052, 11026808, 16116104, 26188669, 52377338, 104754676, 209509352]

約数ペア:

[(1, 209509352), (2, 104754676), (4, 52377338), (8, 26188669), (13, 16116104), (19, 11026808), (26, 8058052), (38, 5513404), (52, 4029026), (76, 2756702), (104, 2014513), (152, 1378351), (229, 914888), (247, 848216), (458, 457444), (463, 452504), (494, 424108), (916, 228722), (926, 226252), (988, 212054), (1832, 114361), (1852, 113126), (1976, 106027), (2977, 70376), (3704, 56563), (4351, 48152), (5954, 35188), (6019, 34808), (8702, 24076), (8797, 23816), (11908, 17594), (12038, 17404)]