28727168

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 60588000

約数和(自身を除く): 31860832

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 71, 109, 116, 128, 142, 218, 232, 284, 436, 464, 568, 872, 928, 1136, 1744, 1856, 2059, 2272, 3161, 3488, 3712, 4118, 4544, 6322, 6976, 7739, 8236, 9088, 12644, 13952, 15478, 16472, 25288, 30956, 32944, 50576, 61912, 65888, 101152, 123824, 131776, 202304, 224431, 247648, 263552, 404608, 448862, 495296, 897724, 990592, 1795448, 3590896, 7181792, 14363584, 28727168]

約数ペア:

[(1, 28727168), (2, 14363584), (4, 7181792), (8, 3590896), (16, 1795448), (29, 990592), (32, 897724), (58, 495296), (64, 448862), (71, 404608), (109, 263552), (116, 247648), (128, 224431), (142, 202304), (218, 131776), (232, 123824), (284, 101152), (436, 65888), (464, 61912), (568, 50576), (872, 32944), (928, 30956), (1136, 25288), (1744, 16472), (1856, 15478), (2059, 13952), (2272, 12644), (3161, 9088), (3488, 8236), (3712, 7739), (4118, 6976), (4544, 6322)]