28765568

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 62974800

約数和(自身を除く): 34209232

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 64, 104, 118, 128, 208, 236, 293, 416, 472, 586, 767, 832, 944, 1172, 1534, 1664, 1888, 2344, 3068, 3776, 3809, 4688, 6136, 7552, 7618, 9376, 12272, 15236, 17287, 18752, 24544, 30472, 34574, 37504, 49088, 60944, 69148, 98176, 121888, 138296, 224731, 243776, 276592, 449462, 487552, 553184, 898924, 1106368, 1797848, 2212736, 3595696, 7191392, 14382784, 28765568]

約数ペア:

[(1, 28765568), (2, 14382784), (4, 7191392), (8, 3595696), (13, 2212736), (16, 1797848), (26, 1106368), (32, 898924), (52, 553184), (59, 487552), (64, 449462), (104, 276592), (118, 243776), (128, 224731), (208, 138296), (236, 121888), (293, 98176), (416, 69148), (472, 60944), (586, 49088), (767, 37504), (832, 34574), (944, 30472), (1172, 24544), (1534, 18752), (1664, 17287), (1888, 15236), (2344, 12272), (3068, 9376), (3776, 7618), (3809, 7552), (4688, 6136)]