28649216

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 62914320

約数和(自身を除く): 34265104

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 64, 68, 116, 128, 136, 227, 232, 256, 272, 454, 464, 493, 544, 908, 928, 986, 1088, 1816, 1856, 1972, 2176, 3632, 3712, 3859, 3944, 4352, 6583, 7264, 7424, 7718, 7888, 13166, 14528, 15436, 15776, 26332, 29056, 30872, 31552, 52664, 58112, 61744, 63104, 105328, 111911, 123488, 126208, 210656, 223822, 246976, 421312, 447644, 493952, 842624, 895288, 987904, 1685248, 1790576, 3581152, 7162304, 14324608, 28649216]

約数ペア:

[(1, 28649216), (2, 14324608), (4, 7162304), (8, 3581152), (16, 1790576), (17, 1685248), (29, 987904), (32, 895288), (34, 842624), (58, 493952), (64, 447644), (68, 421312), (116, 246976), (128, 223822), (136, 210656), (227, 126208), (232, 123488), (256, 111911), (272, 105328), (454, 63104), (464, 61744), (493, 58112), (544, 52664), (908, 31552), (928, 30872), (986, 29056), (1088, 26332), (1816, 15776), (1856, 15436), (1972, 14528), (2176, 13166), (3632, 7888), (3712, 7718), (3859, 7424), (3944, 7264), (4352, 6583)]