28725078784

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{7477}}^1$

素因数の和:7885

約数の個数: 72

約数和(自身を含む): 58847373200

約数和(自身を除く): 30122294416

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 349, 688, 698, 1376, 1396, 2752, 2792, 5504, 5584, 7477, 11008, 11168, 14954, 15007, 22336, 29908, 30014, 44672, 59816, 60028, 89344, 119632, 120056, 239264, 240112, 321511, 478528, 480224, 643022, 957056, 960448, 1286044, 1914112, 1920896, 2572088, 2609473, 3841792, 5144176, 5218946, 10288352, 10437892, 20576704, 20875784, 41153408, 41751568, 82306816, 83503136, 112207339, 167006272, 224414678, 334012544, 448829356, 668025088, 897658712, 1795317424, 3590634848, 7181269696, 14362539392, 28725078784]

約数ペア:

[(1, 28725078784), (2, 14362539392), (4, 7181269696), (8, 3590634848), (16, 1795317424), (32, 897658712), (43, 668025088), (64, 448829356), (86, 334012544), (128, 224414678), (172, 167006272), (256, 112207339), (344, 83503136), (349, 82306816), (688, 41751568), (698, 41153408), (1376, 20875784), (1396, 20576704), (2752, 10437892), (2792, 10288352), (5504, 5218946), (5584, 5144176), (7477, 3841792), (11008, 2609473), (11168, 2572088), (14954, 1920896), (15007, 1914112), (22336, 1286044), (29908, 960448), (30014, 957056), (44672, 643022), (59816, 480224), (60028, 478528), (89344, 321511), (119632, 240112), (120056, 239264)]