28504684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1367}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 53893728

約数和(自身を除く): 25389044

約数列:

[1, 2, 4, 13, 26, 52, 401, 802, 1367, 1604, 2734, 5213, 5468, 10426, 17771, 20852, 35542, 71084, 548167, 1096334, 2192668, 7126171, 14252342, 28504684]

約数ペア:

[(1, 28504684), (2, 14252342), (4, 7126171), (13, 2192668), (26, 1096334), (52, 548167), (401, 71084), (802, 35542), (1367, 20852), (1604, 17771), (2734, 10426), (5213, 5468)]