165686456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{8087}}^1$

素因数の和:8303

約数の個数: 32

約数和(自身を含む): 336299040

約数和(自身を除く): 170612584

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 1576, 2561, 5122, 8087, 10244, 16174, 20488, 32348, 64696, 105131, 210262, 420524, 841048, 1593139, 3186278, 6372556, 12745112, 20710807, 41421614, 82843228, 165686456]

約数ペア:

[(1, 165686456), (2, 82843228), (4, 41421614), (8, 20710807), (13, 12745112), (26, 6372556), (52, 3186278), (104, 1593139), (197, 841048), (394, 420524), (788, 210262), (1576, 105131), (2561, 64696), (5122, 32348), (8087, 20488), (10244, 16174)]