128480828

素因数分解:

$2^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{12503}}^1$

素因数の和:12881

約数の個数: 24

約数和(自身を含む): 257682432

約数和(自身を除く): 129201604

約数列:

[1, 2, 4, 7, 14, 28, 367, 734, 1468, 2569, 5138, 10276, 12503, 25006, 50012, 87521, 175042, 350084, 4588601, 9177202, 18354404, 32120207, 64240414, 128480828]

約数ペア:

[(1, 128480828), (2, 64240414), (4, 32120207), (7, 18354404), (14, 9177202), (28, 4588601), (367, 350084), (734, 175042), (1468, 87521), (2569, 50012), (5138, 25006), (10276, 12503)]