638219582

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:514

約数の個数: 96

約数和(自身を含む): 1316150976

約数和(自身を除く): 677931394

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 73, 77, 91, 121, 143, 146, 154, 182, 242, 286, 397, 511, 794, 803, 847, 949, 1001, 1022, 1573, 1606, 1694, 1898, 2002, 2779, 3146, 4367, 5161, 5558, 5621, 6643, 8734, 8833, 10322, 10439, 11011, 11242, 13286, 17666, 20878, 22022, 28981, 30569, 36127, 48037, 56771, 57962, 61138, 61831, 72254, 73073, 96074, 113542, 114829, 123662, 146146, 202867, 229658, 318791, 336259, 376753, 397397, 405734, 624481, 637582, 672518, 753506, 794794, 803803, 1248962, 1607606, 2231537, 2637271, 3506701, 4144283, 4371367, 4463074, 5274542, 7013402, 8288566, 8742734, 24546907, 29009981, 45587113, 49093814, 58019962, 91174226, 319109791, 638219582]

約数ペア:

[(1, 638219582), (2, 319109791), (7, 91174226), (11, 58019962), (13, 49093814), (14, 45587113), (22, 29009981), (26, 24546907), (73, 8742734), (77, 8288566), (91, 7013402), (121, 5274542), (143, 4463074), (146, 4371367), (154, 4144283), (182, 3506701), (242, 2637271), (286, 2231537), (397, 1607606), (511, 1248962), (794, 803803), (803, 794794), (847, 753506), (949, 672518), (1001, 637582), (1022, 624481), (1573, 405734), (1606, 397397), (1694, 376753), (1898, 336259), (2002, 318791), (2779, 229658), (3146, 202867), (4367, 146146), (5161, 123662), (5558, 114829), (5621, 113542), (6643, 96074), (8734, 73073), (8833, 72254), (10322, 61831), (10439, 61138), (11011, 57962), (11242, 56771), (13286, 48037), (17666, 36127), (20878, 30569), (22022, 28981)]