28685826

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:337

約数の個数: 80

約数和(自身を含む): 70802424

約数和(自身を除く): 42116598

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 53, 54, 78, 81, 106, 117, 159, 162, 234, 257, 318, 351, 477, 514, 689, 702, 771, 954, 1053, 1378, 1431, 1542, 2067, 2106, 2313, 2862, 3341, 4134, 4293, 4626, 6201, 6682, 6939, 8586, 10023, 12402, 13621, 13878, 18603, 20046, 20817, 27242, 30069, 37206, 40863, 41634, 55809, 60138, 81726, 90207, 111618, 122589, 177073, 180414, 245178, 270621, 354146, 367767, 531219, 541242, 735534, 1062438, 1103301, 1593657, 2206602, 3187314, 4780971, 9561942, 14342913, 28685826]

約数ペア:

[(1, 28685826), (2, 14342913), (3, 9561942), (6, 4780971), (9, 3187314), (13, 2206602), (18, 1593657), (26, 1103301), (27, 1062438), (39, 735534), (53, 541242), (54, 531219), (78, 367767), (81, 354146), (106, 270621), (117, 245178), (159, 180414), (162, 177073), (234, 122589), (257, 111618), (318, 90207), (351, 81726), (477, 60138), (514, 55809), (689, 41634), (702, 40863), (771, 37206), (954, 30069), (1053, 27242), (1378, 20817), (1431, 20046), (1542, 18603), (2067, 13878), (2106, 13621), (2313, 12402), (2862, 10023), (3341, 8586), (4134, 6939), (4293, 6682), (4626, 6201)]