257312

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 598752

約数和(自身を除く): 341440

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 43, 44, 68, 86, 88, 136, 172, 176, 187, 272, 344, 352, 374, 473, 544, 688, 731, 748, 946, 1376, 1462, 1496, 1892, 2924, 2992, 3784, 5848, 5984, 7568, 8041, 11696, 15136, 16082, 23392, 32164, 64328, 128656, 257312]

約数ペア:

[(1, 257312), (2, 128656), (4, 64328), (8, 32164), (11, 23392), (16, 16082), (17, 15136), (22, 11696), (32, 8041), (34, 7568), (43, 5984), (44, 5848), (68, 3784), (86, 2992), (88, 2924), (136, 1892), (172, 1496), (176, 1462), (187, 1376), (272, 946), (344, 748), (352, 731), (374, 688), (473, 544)]