81631144

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4513}}^1$

素因数の和:4562

約数の個数: 64

約数和(自身を含む): 195004800

約数和(自身を除く): 113373656

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1064, 1292, 2261, 2584, 4513, 4522, 9026, 9044, 18052, 18088, 31591, 36104, 63182, 76721, 85747, 126364, 153442, 171494, 252728, 306884, 342988, 537047, 600229, 613768, 685976, 1074094, 1200458, 1457699, 2148188, 2400916, 2915398, 4296376, 4801832, 5830796, 10203893, 11661592, 20407786, 40815572, 81631144]

約数ペア:

[(1, 81631144), (2, 40815572), (4, 20407786), (7, 11661592), (8, 10203893), (14, 5830796), (17, 4801832), (19, 4296376), (28, 2915398), (34, 2400916), (38, 2148188), (56, 1457699), (68, 1200458), (76, 1074094), (119, 685976), (133, 613768), (136, 600229), (152, 537047), (238, 342988), (266, 306884), (323, 252728), (476, 171494), (532, 153442), (646, 126364), (952, 85747), (1064, 76721), (1292, 63182), (2261, 36104), (2584, 31591), (4513, 18088), (4522, 18052), (9026, 9044)]