1288657136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 2733158400

約数和(自身を除く): 1444501264

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 191, 199, 208, 326, 382, 398, 652, 764, 796, 1304, 1528, 1592, 2119, 2483, 2587, 2608, 3056, 3184, 4238, 4966, 5174, 8476, 9932, 10348, 16952, 19864, 20696, 31133, 32437, 33904, 38009, 39728, 41392, 62266, 64874, 76018, 124532, 129748, 152036, 249064, 259496, 304072, 404729, 421681, 494117, 498128, 518992, 608144, 809458, 843362, 988234, 1618916, 1686724, 1976468, 3237832, 3373448, 3952936, 6195467, 6475664, 6746896, 7905872, 12390934, 24781868, 49563736, 80541071, 99127472, 161082142, 322164284, 644328568, 1288657136]

約数ペア:

[(1, 1288657136), (2, 644328568), (4, 322164284), (8, 161082142), (13, 99127472), (16, 80541071), (26, 49563736), (52, 24781868), (104, 12390934), (163, 7905872), (191, 6746896), (199, 6475664), (208, 6195467), (326, 3952936), (382, 3373448), (398, 3237832), (652, 1976468), (764, 1686724), (796, 1618916), (1304, 988234), (1528, 843362), (1592, 809458), (2119, 608144), (2483, 518992), (2587, 498128), (2608, 494117), (3056, 421681), (3184, 404729), (4238, 304072), (4966, 259496), (5174, 249064), (8476, 152036), (9932, 129748), (10348, 124532), (16952, 76018), (19864, 64874), (20696, 62266), (31133, 41392), (32437, 39728), (33904, 38009)]