28639408

素因数分解:

$2^4\times 7^1\times {\mathrm{255709}}^1$

素因数の和:255724

約数の個数: 20

約数和(自身を含む): 63416080

約数和(自身を除く): 34776672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 255709, 511418, 1022836, 1789963, 2045672, 3579926, 4091344, 7159852, 14319704, 28639408]

約数ペア:

[(1, 28639408), (2, 14319704), (4, 7159852), (7, 4091344), (8, 3579926), (14, 2045672), (16, 1789963), (28, 1022836), (56, 511418), (112, 255709)]