28728656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 65138688

約数和(自身を除く): 36410032

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 47, 88, 92, 94, 151, 176, 184, 188, 253, 302, 368, 376, 506, 517, 604, 752, 1012, 1034, 1081, 1208, 1661, 2024, 2068, 2162, 2416, 3322, 3473, 4048, 4136, 4324, 6644, 6946, 7097, 8272, 8648, 11891, 13288, 13892, 14194, 17296, 23782, 26576, 27784, 28388, 38203, 47564, 55568, 56776, 76406, 78067, 95128, 113552, 152812, 156134, 163231, 190256, 305624, 312268, 326462, 611248, 624536, 652924, 1249072, 1305848, 1795541, 2611696, 3591082, 7182164, 14364328, 28728656]

約数ペア:

[(1, 28728656), (2, 14364328), (4, 7182164), (8, 3591082), (11, 2611696), (16, 1795541), (22, 1305848), (23, 1249072), (44, 652924), (46, 624536), (47, 611248), (88, 326462), (92, 312268), (94, 305624), (151, 190256), (176, 163231), (184, 156134), (188, 152812), (253, 113552), (302, 95128), (368, 78067), (376, 76406), (506, 56776), (517, 55568), (604, 47564), (752, 38203), (1012, 28388), (1034, 27784), (1081, 26576), (1208, 23782), (1661, 17296), (2024, 14194), (2068, 13892), (2162, 13288), (2416, 11891), (3322, 8648), (3473, 8272), (4048, 7097), (4136, 6946), (4324, 6644)]