212804982

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2731}}^1$

素因数の和:2795

約数の個数: 80

約数和(自身を含む): 527592912

約数和(自身を除く): 314787930

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 81, 111, 117, 162, 222, 234, 333, 351, 481, 666, 702, 962, 999, 1053, 1443, 1998, 2106, 2731, 2886, 2997, 4329, 5462, 5994, 8193, 8658, 12987, 16386, 24579, 25974, 35503, 38961, 49158, 71006, 73737, 77922, 101047, 106509, 147474, 202094, 213018, 221211, 303141, 319527, 442422, 606282, 639054, 909423, 958581, 1313611, 1818846, 1917162, 2627222, 2728269, 2875743, 3940833, 5456538, 5751486, 7881666, 8184807, 11822499, 16369614, 23644998, 35467497, 70934994, 106402491, 212804982]

約数ペア:

[(1, 212804982), (2, 106402491), (3, 70934994), (6, 35467497), (9, 23644998), (13, 16369614), (18, 11822499), (26, 8184807), (27, 7881666), (37, 5751486), (39, 5456538), (54, 3940833), (74, 2875743), (78, 2728269), (81, 2627222), (111, 1917162), (117, 1818846), (162, 1313611), (222, 958581), (234, 909423), (333, 639054), (351, 606282), (481, 442422), (666, 319527), (702, 303141), (962, 221211), (999, 213018), (1053, 202094), (1443, 147474), (1998, 106509), (2106, 101047), (2731, 77922), (2886, 73737), (2997, 71006), (4329, 49158), (5462, 38961), (5994, 35503), (8193, 25974), (8658, 24579), (12987, 16386)]