128075276

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{240743}}^1$

素因数の和:240773

約数の個数: 24

約数和(自身を含む): 269633280

約数和(自身を除く): 141558004

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 240743, 481486, 962972, 1685201, 3370402, 4574117, 6740804, 9148234, 18296468, 32018819, 64037638, 128075276]

約数ペア:

[(1, 128075276), (2, 64037638), (4, 32018819), (7, 18296468), (14, 9148234), (19, 6740804), (28, 4574117), (38, 3370402), (76, 1685201), (133, 962972), (266, 481486), (532, 240743)]