30819728

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{12269}}^1$

素因数の和:12434

約数の個数: 20

約数和(自身を含む): 60098460

約数和(自身を除く): 29278732

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 12269, 24538, 49076, 98152, 196304, 1926233, 3852466, 7704932, 15409864, 30819728]

約数ペア:

[(1, 30819728), (2, 15409864), (4, 7704932), (8, 3852466), (16, 1926233), (157, 196304), (314, 98152), (628, 49076), (1256, 24538), (2512, 12269)]