28210028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91591}}^1$

素因数の和:91613

約数の個数: 24

約数和(自身を含む): 61549824

約数和(自身を除く): 33339796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 91591, 183182, 366364, 641137, 1007501, 1282274, 2015002, 2564548, 4030004, 7052507, 14105014, 28210028]

約数ペア:

[(1, 28210028), (2, 14105014), (4, 7052507), (7, 4030004), (11, 2564548), (14, 2015002), (22, 1282274), (28, 1007501), (44, 641137), (77, 366364), (154, 183182), (308, 91591)]