128661208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{3671}}^1$

素因数の和:4027

約数の個数: 32

約数和(自身を含む): 260638560

約数和(自身を除く): 131977352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 337, 674, 1348, 2696, 3671, 4381, 7342, 8762, 14684, 17524, 29368, 35048, 47723, 95446, 190892, 381784, 1237127, 2474254, 4948508, 9897016, 16082651, 32165302, 64330604, 128661208]

約数ペア:

[(1, 128661208), (2, 64330604), (4, 32165302), (8, 16082651), (13, 9897016), (26, 4948508), (52, 2474254), (104, 1237127), (337, 381784), (674, 190892), (1348, 95446), (2696, 47723), (3671, 35048), (4381, 29368), (7342, 17524), (8762, 14684)]