287591486

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^2$

素因数の和:266

約数の個数: 72

約数和(自身を含む): 574129080

約数和(自身を除く): 286537594

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 109, 133, 182, 218, 247, 266, 494, 637, 763, 931, 1274, 1417, 1526, 1729, 1862, 2071, 2834, 3458, 4142, 5341, 9919, 10682, 11881, 12103, 14497, 19838, 23762, 24206, 26923, 28994, 53846, 69433, 83167, 101479, 138866, 154453, 166334, 188461, 202958, 225739, 308906, 376922, 451478, 582169, 1081171, 1164338, 1319227, 1580173, 2162342, 2638454, 2934607, 3160346, 5869214, 7568197, 11061211, 15136394, 20542249, 22122422, 41084498, 143795743, 287591486]

約数ペア:

[(1, 287591486), (2, 143795743), (7, 41084498), (13, 22122422), (14, 20542249), (19, 15136394), (26, 11061211), (38, 7568197), (49, 5869214), (91, 3160346), (98, 2934607), (109, 2638454), (133, 2162342), (182, 1580173), (218, 1319227), (247, 1164338), (266, 1081171), (494, 582169), (637, 451478), (763, 376922), (931, 308906), (1274, 225739), (1417, 202958), (1526, 188461), (1729, 166334), (1862, 154453), (2071, 138866), (2834, 101479), (3458, 83167), (4142, 69433), (5341, 53846), (9919, 28994), (10682, 26923), (11881, 24206), (12103, 23762), (14497, 19838)]