128533288

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 267321600

約数和(自身を除く): 138788312

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 103, 104, 142, 169, 206, 284, 338, 412, 568, 676, 824, 923, 1339, 1352, 1846, 2197, 2678, 3692, 4394, 5356, 7313, 7384, 8788, 10712, 11999, 14626, 17407, 17576, 23998, 29252, 34814, 47996, 58504, 69628, 95069, 95992, 139256, 155987, 190138, 226291, 311974, 380276, 452582, 623948, 760552, 905164, 1235897, 1247896, 1810328, 2471794, 4943588, 9887176, 16066661, 32133322, 64266644, 128533288]

約数ペア:

[(1, 128533288), (2, 64266644), (4, 32133322), (8, 16066661), (13, 9887176), (26, 4943588), (52, 2471794), (71, 1810328), (103, 1247896), (104, 1235897), (142, 905164), (169, 760552), (206, 623948), (284, 452582), (338, 380276), (412, 311974), (568, 226291), (676, 190138), (824, 155987), (923, 139256), (1339, 95992), (1352, 95069), (1846, 69628), (2197, 58504), (2678, 47996), (3692, 34814), (4394, 29252), (5356, 23998), (7313, 17576), (7384, 17407), (8788, 14626), (10712, 11999)]