128580608

素因数分解:

$2^{10}\times {\mathrm{13}}^2\times {\mathrm{743}}^1$

素因数の和:789

約数の個数: 66

約数和(自身を含む): 278703144

約数和(自身を除く): 150122536

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 512, 676, 743, 832, 1024, 1352, 1486, 1664, 2704, 2972, 3328, 5408, 5944, 6656, 9659, 10816, 11888, 13312, 19318, 21632, 23776, 38636, 43264, 47552, 77272, 86528, 95104, 125567, 154544, 173056, 190208, 251134, 309088, 380416, 502268, 618176, 760832, 1004536, 1236352, 2009072, 2472704, 4018144, 4945408, 8036288, 9890816, 16072576, 32145152, 64290304, 128580608]

約数ペア:

[(1, 128580608), (2, 64290304), (4, 32145152), (8, 16072576), (13, 9890816), (16, 8036288), (26, 4945408), (32, 4018144), (52, 2472704), (64, 2009072), (104, 1236352), (128, 1004536), (169, 760832), (208, 618176), (256, 502268), (338, 380416), (416, 309088), (512, 251134), (676, 190208), (743, 173056), (832, 154544), (1024, 125567), (1352, 95104), (1486, 86528), (1664, 77272), (2704, 47552), (2972, 43264), (3328, 38636), (5408, 23776), (5944, 21632), (6656, 19318), (9659, 13312), (10816, 11888)]