199784825

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1151}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 254555136

約数和(自身を除く): 54770311

約数列:

[1, 5, 25, 53, 131, 265, 655, 1151, 1325, 3275, 5755, 6943, 28775, 34715, 61003, 150781, 173575, 305015, 753905, 1525075, 3769525, 7991393, 39956965, 199784825]

約数ペア:

[(1, 199784825), (5, 39956965), (25, 7991393), (53, 3769525), (131, 1525075), (265, 753905), (655, 305015), (1151, 173575), (1325, 150781), (3275, 61003), (5755, 34715), (6943, 28775)]