128867488

素因数分解:

$2^5\times {\mathrm{643}}^1\times {\mathrm{6263}}^1$

素因数の和:6916

約数の個数: 24

約数和(自身を含む): 254143008

約数和(自身を除く): 125275520

約数列:

[1, 2, 4, 8, 16, 32, 643, 1286, 2572, 5144, 6263, 10288, 12526, 20576, 25052, 50104, 100208, 200416, 4027109, 8054218, 16108436, 32216872, 64433744, 128867488]

約数ペア:

[(1, 128867488), (2, 64433744), (4, 32216872), (8, 16108436), (16, 8054218), (32, 4027109), (643, 200416), (1286, 100208), (2572, 50104), (5144, 25052), (6263, 20576), (10288, 12526)]