28990696

素因数分解:

$2^3\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1291}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 62326080

約数和(自身を除く): 33335384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 401, 802, 1291, 1604, 2582, 2807, 3208, 5164, 5614, 9037, 10328, 11228, 18074, 22456, 36148, 72296, 517691, 1035382, 2070764, 3623837, 4141528, 7247674, 14495348, 28990696]

約数ペア:

[(1, 28990696), (2, 14495348), (4, 7247674), (7, 4141528), (8, 3623837), (14, 2070764), (28, 1035382), (56, 517691), (401, 72296), (802, 36148), (1291, 22456), (1604, 18074), (2582, 11228), (2807, 10328), (3208, 9037), (5164, 5614)]