28101008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135101}}^1$

素因数の和:135122

約数の個数: 20

約数和(自身を含む): 58634268

約数和(自身を除く): 30533260

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135101, 270202, 540404, 1080808, 1756313, 2161616, 3512626, 7025252, 14050504, 28101008]

約数ペア:

[(1, 28101008), (2, 14050504), (4, 7025252), (8, 3512626), (13, 2161616), (16, 1756313), (26, 1080808), (52, 540404), (104, 270202), (208, 135101)]