2551569321

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{6661}}^1$

素因数の和:6754

約数の個数: 64

約数和(自身を含む): 4374535680

約数和(自身を除く): 1822966359

約数列:

[1, 3, 7, 17, 21, 29, 37, 51, 87, 111, 119, 203, 259, 357, 493, 609, 629, 777, 1073, 1479, 1887, 3219, 3451, 4403, 6661, 7511, 10353, 13209, 18241, 19983, 22533, 46627, 54723, 113237, 127687, 139881, 193169, 246457, 339711, 383061, 579507, 739371, 792659, 1352183, 1725199, 2377977, 3283873, 4056549, 4189769, 5175597, 7147253, 9851619, 12569307, 21441759, 22987111, 29328383, 50030771, 68961333, 87985149, 121503301, 150092313, 364509903, 850523107, 2551569321]

約数ペア:

[(1, 2551569321), (3, 850523107), (7, 364509903), (17, 150092313), (21, 121503301), (29, 87985149), (37, 68961333), (51, 50030771), (87, 29328383), (111, 22987111), (119, 21441759), (203, 12569307), (259, 9851619), (357, 7147253), (493, 5175597), (609, 4189769), (629, 4056549), (777, 3283873), (1073, 2377977), (1479, 1725199), (1887, 1352183), (3219, 792659), (3451, 739371), (4403, 579507), (6661, 383061), (7511, 339711), (10353, 246457), (13209, 193169), (18241, 139881), (19983, 127687), (22533, 113237), (46627, 54723)]