128421076

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241393}}^1$

素因数の和:241423

約数の個数: 24

約数和(自身を含む): 270361280

約数和(自身を除く): 141940204

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 241393, 482786, 965572, 1689751, 3379502, 4586467, 6759004, 9172934, 18345868, 32105269, 64210538, 128421076]

約数ペア:

[(1, 128421076), (2, 64210538), (4, 32105269), (7, 18345868), (14, 9172934), (19, 6759004), (28, 4586467), (38, 3379502), (76, 1689751), (133, 965572), (266, 482786), (532, 241393)]