28190864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135533}}^1$

素因数の和:135554

約数の個数: 20

約数和(自身を含む): 58821756

約数和(自身を除く): 30630892

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135533, 271066, 542132, 1084264, 1761929, 2168528, 3523858, 7047716, 14095432, 28190864]

約数ペア:

[(1, 28190864), (2, 14095432), (4, 7047716), (8, 3523858), (13, 2168528), (16, 1761929), (26, 1084264), (52, 542132), (104, 271066), (208, 135533)]