389948768

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{25763}}^1$

素因数の和:25827

約数の個数: 48

約数和(自身を含む): 857013696

約数和(自身を除く): 467064928

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1376, 1892, 3784, 7568, 15136, 25763, 51526, 103052, 206104, 283393, 412208, 566786, 824416, 1107809, 1133572, 2215618, 2267144, 4431236, 4534288, 8862472, 9068576, 12185899, 17724944, 24371798, 35449888, 48743596, 97487192, 194974384, 389948768]

約数ペア:

[(1, 389948768), (2, 194974384), (4, 97487192), (8, 48743596), (11, 35449888), (16, 24371798), (22, 17724944), (32, 12185899), (43, 9068576), (44, 8862472), (86, 4534288), (88, 4431236), (172, 2267144), (176, 2215618), (344, 1133572), (352, 1107809), (473, 824416), (688, 566786), (946, 412208), (1376, 283393), (1892, 206104), (3784, 103052), (7568, 51526), (15136, 25763)]